991503828

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{19}}^2\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 270

約数和(自身を含む): 3200608026

約数和(自身を除く): 2209104198

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 49, 54, 57, 63, 76, 81, 84, 98, 108, 114, 126, 133, 147, 162, 171, 173, 189, 196, 228, 252, 266, 294, 324, 342, 346, 361, 378, 399, 441, 513, 519, 532, 567, 588, 684, 692, 722, 756, 798, 882, 931, 1026, 1038, 1083, 1134, 1197, 1211, 1323, 1444, 1539, 1557, 1596, 1764, 1862, 2052, 2076, 2166, 2268, 2394, 2422, 2527, 2646, 2793, 3078, 3114, 3249, 3287, 3591, 3633, 3724, 3969, 4332, 4671, 4788, 4844, 5054, 5292, 5586, 6156, 6228, 6498, 6574, 7182, 7266, 7581, 7938, 8379, 8477, 9342, 9747, 9861, 10108, 10773, 10899, 11172, 12996, 13148, 14013, 14364, 14532, 15162, 15876, 16758, 16954, 17689, 18684, 19494, 19722, 21546, 21798, 22743, 23009, 25137, 25431, 28026, 29241, 29583, 30324, 32697, 33516, 33908, 35378, 38988, 39444, 43092, 43596, 45486, 46018, 50274, 50862, 53067, 56052, 58482, 59166, 62453, 65394, 68229, 69027, 70756, 75411, 76293, 88749, 90972, 92036, 98091, 100548, 101724, 106134, 116964, 118332, 124906, 130788, 136458, 138054, 150822, 152586, 159201, 161063, 177498, 187359, 196182, 204687, 207081, 212268, 228879, 249812, 266247, 272916, 276108, 301644, 305172, 318402, 322126, 354996, 374718, 392364, 409374, 414162, 437171, 457758, 477603, 483189, 532494, 562077, 621243, 636804, 644252, 686637, 749436, 818748, 828324, 874342, 915516, 955206, 966378, 1064988, 1124154, 1242486, 1311513, 1373274, 1432809, 1449567, 1686231, 1748684, 1863729, 1910412, 1932756, 2248308, 2484972, 2623026, 2746548, 2865618, 2899134, 3060197, 3372462, 3727458, 3934539, 4348701, 5058693, 5246052, 5731236, 5798268, 6120394, 6744924, 7454916, 7869078, 8697402, 9180591, 10117386, 11803617, 12240788, 13046103, 15738156, 17394804, 18361182, 20234772, 23607234, 26092206, 27541773, 35410851, 36722364, 47214468, 52184412, 55083546, 70821702, 82625319, 110167092, 141643404, 165250638, 247875957, 330501276, 495751914, 991503828]

約数ペア:

[(1, 991503828), (2, 495751914), (3, 330501276), (4, 247875957), (6, 165250638), (7, 141643404), (9, 110167092), (12, 82625319), (14, 70821702), (18, 55083546), (19, 52184412), (21, 47214468), (27, 36722364), (28, 35410851), (36, 27541773), (38, 26092206), (42, 23607234), (49, 20234772), (54, 18361182), (57, 17394804), (63, 15738156), (76, 13046103), (81, 12240788), (84, 11803617), (98, 10117386), (108, 9180591), (114, 8697402), (126, 7869078), (133, 7454916), (147, 6744924), (162, 6120394), (171, 5798268), (173, 5731236), (189, 5246052), (196, 5058693), (228, 4348701), (252, 3934539), (266, 3727458), (294, 3372462), (324, 3060197), (342, 2899134), (346, 2865618), (361, 2746548), (378, 2623026), (399, 2484972), (441, 2248308), (513, 1932756), (519, 1910412), (532, 1863729), (567, 1748684), (588, 1686231), (684, 1449567), (692, 1432809), (722, 1373274), (756, 1311513), (798, 1242486), (882, 1124154), (931, 1064988), (1026, 966378), (1038, 955206), (1083, 915516), (1134, 874342), (1197, 828324), (1211, 818748), (1323, 749436), (1444, 686637), (1539, 644252), (1557, 636804), (1596, 621243), (1764, 562077), (1862, 532494), (2052, 483189), (2076, 477603), (2166, 457758), (2268, 437171), (2394, 414162), (2422, 409374), (2527, 392364), (2646, 374718), (2793, 354996), (3078, 322126), (3114, 318402), (3249, 305172), (3287, 301644), (3591, 276108), (3633, 272916), (3724, 266247), (3969, 249812), (4332, 228879), (4671, 212268), (4788, 207081), (4844, 204687), (5054, 196182), (5292, 187359), (5586, 177498), (6156, 161063), (6228, 159201), (6498, 152586), (6574, 150822), (7182, 138054), (7266, 136458), (7581, 130788), (7938, 124906), (8379, 118332), (8477, 116964), (9342, 106134), (9747, 101724), (9861, 100548), (10108, 98091), (10773, 92036), (10899, 90972), (11172, 88749), (12996, 76293), (13148, 75411), (14013, 70756), (14364, 69027), (14532, 68229), (15162, 65394), (15876, 62453), (16758, 59166), (16954, 58482), (17689, 56052), (18684, 53067), (19494, 50862), (19722, 50274), (21546, 46018), (21798, 45486), (22743, 43596), (23009, 43092), (25137, 39444), (25431, 38988), (28026, 35378), (29241, 33908), (29583, 33516), (30324, 32697)]