641159312

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{9677}}^1$

素因数の和:9827

約数の個数: 40

約数和(自身を含む): 1285277112

約数和(自身を除く): 644117800

約数列:

[1, 2, 4, 8, 16, 41, 82, 101, 164, 202, 328, 404, 656, 808, 1616, 4141, 8282, 9677, 16564, 19354, 33128, 38708, 66256, 77416, 154832, 396757, 793514, 977377, 1587028, 1954754, 3174056, 3909508, 6348112, 7819016, 15638032, 40072457, 80144914, 160289828, 320579656, 641159312]

約数ペア:

[(1, 641159312), (2, 320579656), (4, 160289828), (8, 80144914), (16, 40072457), (41, 15638032), (82, 7819016), (101, 6348112), (164, 3909508), (202, 3174056), (328, 1954754), (404, 1587028), (656, 977377), (808, 793514), (1616, 396757), (4141, 154832), (8282, 77416), (9677, 66256), (16564, 38708), (19354, 33128)]