1640259728

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{937}}^1\times {\mathrm{2957}}^1$

素因数の和:3939

約数の個数: 40

約数和(自身を含む): 3268483512

約数和(自身を除く): 1628223784

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 937, 1874, 2957, 3748, 5914, 7496, 11828, 14992, 23656, 34669, 47312, 69338, 109409, 138676, 218818, 277352, 437636, 554704, 875272, 1750544, 2770709, 5541418, 11082836, 22165672, 44331344, 102516233, 205032466, 410064932, 820129864, 1640259728]

約数ペア:

[(1, 1640259728), (2, 820129864), (4, 410064932), (8, 205032466), (16, 102516233), (37, 44331344), (74, 22165672), (148, 11082836), (296, 5541418), (592, 2770709), (937, 1750544), (1874, 875272), (2957, 554704), (3748, 437636), (5914, 277352), (7496, 218818), (11828, 138676), (14992, 109409), (23656, 69338), (34669, 47312)]