638962568

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{24373}}^1$

素因数の和:24521

約数の個数: 32

約数和(自身を含む): 1250386200

約数和(自身を除く): 611423632

約数列:

[1, 2, 4, 8, 29, 58, 113, 116, 226, 232, 452, 904, 3277, 6554, 13108, 24373, 26216, 48746, 97492, 194984, 706817, 1413634, 2754149, 2827268, 5508298, 5654536, 11016596, 22033192, 79870321, 159740642, 319481284, 638962568]

約数ペア:

[(1, 638962568), (2, 319481284), (4, 159740642), (8, 79870321), (29, 22033192), (58, 11016596), (113, 5654536), (116, 5508298), (226, 2827268), (232, 2754149), (452, 1413634), (904, 706817), (3277, 194984), (6554, 97492), (13108, 48746), (24373, 26216)]