221421592

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 529920000

約数和(自身を除く): 308498408

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 49, 56, 62, 76, 98, 124, 133, 137, 152, 196, 217, 248, 266, 274, 343, 392, 434, 532, 548, 589, 686, 868, 931, 959, 1064, 1096, 1178, 1372, 1519, 1736, 1862, 1918, 2356, 2603, 2744, 3038, 3724, 3836, 4123, 4247, 4712, 5206, 6076, 6517, 6713, 7448, 7672, 8246, 8494, 10412, 10633, 12152, 13034, 13426, 16492, 16988, 18221, 20824, 21266, 26068, 26852, 28861, 29729, 32984, 33976, 36442, 42532, 46991, 52136, 53704, 57722, 59458, 72884, 80693, 85064, 93982, 115444, 118916, 127547, 145768, 161386, 187964, 202027, 208103, 230888, 237832, 255094, 322772, 375928, 404054, 416206, 510188, 564851, 645544, 808108, 832412, 892829, 1020376, 1129702, 1456721, 1616216, 1664824, 1785658, 2259404, 2913442, 3571316, 3953957, 4518808, 5826884, 7142632, 7907914, 11653768, 15815828, 27677699, 31631656, 55355398, 110710796, 221421592]

約数ペア:

[(1, 221421592), (2, 110710796), (4, 55355398), (7, 31631656), (8, 27677699), (14, 15815828), (19, 11653768), (28, 7907914), (31, 7142632), (38, 5826884), (49, 4518808), (56, 3953957), (62, 3571316), (76, 2913442), (98, 2259404), (124, 1785658), (133, 1664824), (137, 1616216), (152, 1456721), (196, 1129702), (217, 1020376), (248, 892829), (266, 832412), (274, 808108), (343, 645544), (392, 564851), (434, 510188), (532, 416206), (548, 404054), (589, 375928), (686, 322772), (868, 255094), (931, 237832), (959, 230888), (1064, 208103), (1096, 202027), (1178, 187964), (1372, 161386), (1519, 145768), (1736, 127547), (1862, 118916), (1918, 115444), (2356, 93982), (2603, 85064), (2744, 80693), (3038, 72884), (3724, 59458), (3836, 57722), (4123, 53704), (4247, 52136), (4712, 46991), (5206, 42532), (6076, 36442), (6517, 33976), (6713, 32984), (7448, 29729), (7672, 28861), (8246, 26852), (8494, 26068), (10412, 21266), (10633, 20824), (12152, 18221), (13034, 16988), (13426, 16492)]