1640197864

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{51787}}^1$

素因数の和:51937

約数の個数: 32

約数和(自身を含む): 3188069280

約数和(自身を除く): 1547871416

約数列:

[1, 2, 4, 8, 37, 74, 107, 148, 214, 296, 428, 856, 3959, 7918, 15836, 31672, 51787, 103574, 207148, 414296, 1916119, 3832238, 5541209, 7664476, 11082418, 15328952, 22164836, 44329672, 205024733, 410049466, 820098932, 1640197864]

約数ペア:

[(1, 1640197864), (2, 820098932), (4, 410049466), (8, 205024733), (37, 44329672), (74, 22164836), (107, 15328952), (148, 11082418), (214, 7664476), (296, 5541209), (428, 3832238), (856, 1916119), (3959, 414296), (7918, 207148), (15836, 103574), (31672, 51787)]