81815699

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{5521}}^1$

素因数の和:5630

約数の個数: 16

約数和(自身を含む): 98070720

約数和(自身を除く): 16255021

約数列:

[1, 7, 29, 73, 203, 511, 2117, 5521, 14819, 38647, 160109, 403033, 1120763, 2821231, 11687957, 81815699]

約数ペア:

[(1, 81815699), (7, 11687957), (29, 2821231), (73, 1120763), (203, 403033), (511, 160109), (2117, 38647), (5521, 14819)]