81656944

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{86501}}^1$

素因数の和:86568

約数の個数: 20

約数和(自身を含む): 160893720

約数和(自身を除く): 79236776

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 86501, 173002, 346004, 692008, 1384016, 5103559, 10207118, 20414236, 40828472, 81656944]

約数ペア:

[(1, 81656944), (2, 40828472), (4, 20414236), (8, 10207118), (16, 5103559), (59, 1384016), (118, 692008), (236, 346004), (472, 173002), (944, 86501)]