1638898884

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:607

約数の個数: 216

約数和(自身を含む): 5131395360

約数和(自身を除く): 3492496476

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 107, 114, 126, 133, 147, 171, 196, 214, 228, 252, 266, 294, 321, 342, 399, 428, 441, 457, 532, 588, 642, 684, 749, 798, 882, 914, 931, 963, 1197, 1284, 1371, 1498, 1596, 1764, 1828, 1862, 1926, 2033, 2247, 2394, 2742, 2793, 2996, 3199, 3724, 3852, 4066, 4113, 4494, 4788, 5243, 5484, 5586, 6099, 6398, 6741, 8132, 8226, 8379, 8683, 8988, 9597, 10486, 11172, 12198, 12796, 13482, 14231, 15729, 16452, 16758, 17366, 18297, 19194, 20972, 22393, 24396, 26049, 26964, 28462, 28791, 31458, 33516, 34732, 36594, 38388, 42693, 44786, 47187, 48899, 52098, 56924, 57582, 60781, 62916, 67179, 73188, 78147, 85386, 89572, 94374, 97798, 99617, 104196, 115164, 121562, 128079, 134358, 146697, 156294, 170772, 182343, 188748, 195596, 199234, 201537, 243124, 256158, 268716, 293394, 298851, 312588, 342293, 364686, 398468, 403074, 425467, 440091, 512316, 547029, 586788, 597702, 684586, 729372, 806148, 850934, 880182, 896553, 929081, 1026879, 1094058, 1195404, 1276401, 1369172, 1701868, 1760364, 1793106, 1858162, 2053758, 2188116, 2396051, 2552802, 2787243, 3080637, 3586212, 3716324, 3829203, 4107516, 4792102, 5105604, 5574486, 6161274, 6503567, 7188153, 7658406, 8361729, 9584204, 11148972, 12322548, 13007134, 14376306, 15316812, 16723458, 19510701, 21564459, 26014268, 28752612, 33446916, 39021402, 43128918, 45524969, 58532103, 78042804, 86257836, 91049938, 117064206, 136574907, 182099876, 234128412, 273149814, 409724721, 546299628, 819449442, 1638898884]

約数ペア:

[(1, 1638898884), (2, 819449442), (3, 546299628), (4, 409724721), (6, 273149814), (7, 234128412), (9, 182099876), (12, 136574907), (14, 117064206), (18, 91049938), (19, 86257836), (21, 78042804), (28, 58532103), (36, 45524969), (38, 43128918), (42, 39021402), (49, 33446916), (57, 28752612), (63, 26014268), (76, 21564459), (84, 19510701), (98, 16723458), (107, 15316812), (114, 14376306), (126, 13007134), (133, 12322548), (147, 11148972), (171, 9584204), (196, 8361729), (214, 7658406), (228, 7188153), (252, 6503567), (266, 6161274), (294, 5574486), (321, 5105604), (342, 4792102), (399, 4107516), (428, 3829203), (441, 3716324), (457, 3586212), (532, 3080637), (588, 2787243), (642, 2552802), (684, 2396051), (749, 2188116), (798, 2053758), (882, 1858162), (914, 1793106), (931, 1760364), (963, 1701868), (1197, 1369172), (1284, 1276401), (1371, 1195404), (1498, 1094058), (1596, 1026879), (1764, 929081), (1828, 896553), (1862, 880182), (1926, 850934), (2033, 806148), (2247, 729372), (2394, 684586), (2742, 597702), (2793, 586788), (2996, 547029), (3199, 512316), (3724, 440091), (3852, 425467), (4066, 403074), (4113, 398468), (4494, 364686), (4788, 342293), (5243, 312588), (5484, 298851), (5586, 293394), (6099, 268716), (6398, 256158), (6741, 243124), (8132, 201537), (8226, 199234), (8379, 195596), (8683, 188748), (8988, 182343), (9597, 170772), (10486, 156294), (11172, 146697), (12198, 134358), (12796, 128079), (13482, 121562), (14231, 115164), (15729, 104196), (16452, 99617), (16758, 97798), (17366, 94374), (18297, 89572), (19194, 85386), (20972, 78147), (22393, 73188), (24396, 67179), (26049, 62916), (26964, 60781), (28462, 57582), (28791, 56924), (31458, 52098), (33516, 48899), (34732, 47187), (36594, 44786), (38388, 42693)]