664842916

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{20563}}^1$

素因数の和:20763

約数の個数: 24

約数和(自身を含む): 1191889440

約数和(自身を除く): 527046524

約数列:

[1, 2, 4, 59, 118, 137, 236, 274, 548, 8083, 16166, 20563, 32332, 41126, 82252, 1213217, 2426434, 2817131, 4852868, 5634262, 11268524, 166210729, 332421458, 664842916]

約数ペア:

[(1, 664842916), (2, 332421458), (4, 166210729), (59, 11268524), (118, 5634262), (137, 4852868), (236, 2817131), (274, 2426434), (548, 1213217), (8083, 82252), (16166, 41126), (20563, 32332)]