1557743216

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{2631323}}^1$

素因数の和:2631368

約数の個数: 20

約数和(自身を含む): 3099699672

約数和(自身を除く): 1541956456

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 2631323, 5262646, 10525292, 21050584, 42101168, 97358951, 194717902, 389435804, 778871608, 1557743216]

約数ペア:

[(1, 1557743216), (2, 778871608), (4, 389435804), (8, 194717902), (16, 97358951), (37, 42101168), (74, 21050584), (148, 10525292), (296, 5262646), (592, 2631323)]