640090488

素因数分解:

$2^3\times 3^1\times {\mathrm{2141}}^1\times {\mathrm{12457}}^1$

素因数の和:14607

約数の個数: 32

約数和(自身を含む): 1601102160

約数和(自身を除く): 961011672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 2141, 4282, 6423, 8564, 12457, 12846, 17128, 24914, 25692, 37371, 49828, 51384, 74742, 99656, 149484, 298968, 26670437, 53340874, 80011311, 106681748, 160022622, 213363496, 320045244, 640090488]

約数ペア:

[(1, 640090488), (2, 320045244), (3, 213363496), (4, 160022622), (6, 106681748), (8, 80011311), (12, 53340874), (24, 26670437), (2141, 298968), (4282, 149484), (6423, 99656), (8564, 74742), (12457, 51384), (12846, 49828), (17128, 37371), (24914, 25692)]