64866851

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2081}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 76417728

約数和(自身を除く): 11550877

約数列:

[1, 7, 61, 73, 427, 511, 2081, 4453, 14567, 31171, 126941, 151913, 888587, 1063391, 9266693, 64866851]

約数ペア:

[(1, 64866851), (7, 9266693), (61, 1063391), (73, 888587), (427, 151913), (511, 126941), (2081, 31171), (4453, 14567)]