81259736

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{1049}}^1$

素因数の和:1499

約数の個数: 32

約数和(自身を含む): 159516000

約数和(自身を除く): 78256264

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 421, 842, 1049, 1684, 2098, 3368, 4196, 8392, 9683, 19366, 24127, 38732, 48254, 77464, 96508, 193016, 441629, 883258, 1766516, 3533032, 10157467, 20314934, 40629868, 81259736]

約数ペア:

[(1, 81259736), (2, 40629868), (4, 20314934), (8, 10157467), (23, 3533032), (46, 1766516), (92, 883258), (184, 441629), (421, 193016), (842, 96508), (1049, 77464), (1684, 48254), (2098, 38732), (3368, 24127), (4196, 19366), (8392, 9683)]