217906696

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1231}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 487872000

約数和(自身を除く): 269965304

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 109, 116, 203, 218, 232, 406, 436, 763, 812, 872, 1231, 1526, 1624, 2462, 3052, 3161, 4924, 6104, 6322, 8617, 9848, 12644, 17234, 22127, 25288, 34468, 35699, 44254, 68936, 71398, 88508, 134179, 142796, 177016, 249893, 268358, 285592, 499786, 536716, 939253, 999572, 1073432, 1878506, 1999144, 3757012, 3891191, 7514024, 7782382, 15564764, 27238337, 31129528, 54476674, 108953348, 217906696]

約数ペア:

[(1, 217906696), (2, 108953348), (4, 54476674), (7, 31129528), (8, 27238337), (14, 15564764), (28, 7782382), (29, 7514024), (56, 3891191), (58, 3757012), (109, 1999144), (116, 1878506), (203, 1073432), (218, 999572), (232, 939253), (406, 536716), (436, 499786), (763, 285592), (812, 268358), (872, 249893), (1231, 177016), (1526, 142796), (1624, 134179), (2462, 88508), (3052, 71398), (3161, 68936), (4924, 44254), (6104, 35699), (6322, 34468), (8617, 25288), (9848, 22127), (12644, 17234)]