220100494

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 348281856

約数和(自身を除く): 128181362

約数列:

[1, 2, 37, 67, 74, 103, 134, 206, 431, 862, 2479, 3811, 4958, 6901, 7622, 13802, 15947, 28877, 31894, 44393, 57754, 88786, 255337, 510674, 1068449, 1642541, 2136898, 2974331, 3285082, 5948662, 110050247, 220100494]

約数ペア:

[(1, 220100494), (2, 110050247), (37, 5948662), (67, 3285082), (74, 2974331), (103, 2136898), (134, 1642541), (206, 1068449), (431, 510674), (862, 255337), (2479, 88786), (3811, 57754), (4958, 44393), (6901, 31894), (7622, 28877), (13802, 15947)]