1640541648

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{644867}}^1$

素因数の和:644931

約数の個数: 40

約数和(自身を含む): 4318036128

約数和(自身を除く): 2677494480

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 644867, 1289734, 1934601, 2579468, 3869202, 5158936, 7738404, 10317872, 15476808, 30953616, 34177951, 68355902, 102533853, 136711804, 205067706, 273423608, 410135412, 546847216, 820270824, 1640541648]

約数ペア:

[(1, 1640541648), (2, 820270824), (3, 546847216), (4, 410135412), (6, 273423608), (8, 205067706), (12, 136711804), (16, 102533853), (24, 68355902), (48, 34177951), (53, 30953616), (106, 15476808), (159, 10317872), (212, 7738404), (318, 5158936), (424, 3869202), (636, 2579468), (848, 1934601), (1272, 1289734), (2544, 644867)]