17719715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2230

約数の個数: 16

約数和(自身を含む): 23085216

約数和(自身を除く): 5365501

約数列:

[1, 5, 13, 65, 131, 655, 1703, 2081, 8515, 10405, 27053, 135265, 272611, 1363055, 3543943, 17719715]

約数ペア:

[(1, 17719715), (5, 3543943), (13, 1363055), (65, 272611), (131, 135265), (655, 27053), (1703, 10405), (2081, 8515)]