64389577

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 77746176

約数和(自身を除く): 13356599

約数列:

[1, 7, 47, 49, 73, 329, 383, 511, 2303, 2681, 3431, 3577, 18001, 18767, 24017, 27959, 126007, 168119, 195713, 882049, 1314073, 1369991, 9198511, 64389577]

約数ペア:

[(1, 64389577), (7, 9198511), (47, 1369991), (49, 1314073), (73, 882049), (329, 195713), (383, 168119), (511, 126007), (2303, 27959), (2681, 24017), (3431, 18767), (3577, 18001)]