254781512

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{617}}^1\times {\mathrm{727}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 485896320

約数和(自身を除く): 231114808

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 617, 727, 1234, 1454, 2468, 2908, 4936, 5816, 43807, 51617, 87614, 103234, 175228, 206468, 350456, 412936, 448559, 897118, 1794236, 3588472, 31847689, 63695378, 127390756, 254781512]

約数ペア:

[(1, 254781512), (2, 127390756), (4, 63695378), (8, 31847689), (71, 3588472), (142, 1794236), (284, 897118), (568, 448559), (617, 412936), (727, 350456), (1234, 206468), (1454, 175228), (2468, 103234), (2908, 87614), (4936, 51617), (5816, 43807)]