164518705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{81647}}^1$

素因数の和:81696

約数の個数: 16

約数和(自身を含む): 219469824

約数和(自身を除く): 54951119

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 81647, 408235, 1061411, 2531057, 5307055, 12655285, 32903741, 164518705]

約数ペア:

[(1, 164518705), (5, 32903741), (13, 12655285), (31, 5307055), (65, 2531057), (155, 1061411), (403, 408235), (2015, 81647)]