64408393

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{463}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 79978752

約数和(自身を除く): 15570359

約数列:

[1, 7, 17, 49, 119, 167, 463, 833, 1169, 2839, 3241, 7871, 8183, 19873, 22687, 55097, 77321, 139111, 385679, 541247, 1314457, 3788729, 9201199, 64408393]

約数ペア:

[(1, 64408393), (7, 9201199), (17, 3788729), (49, 1314457), (119, 541247), (167, 385679), (463, 139111), (833, 77321), (1169, 55097), (2839, 22687), (3241, 19873), (7871, 8183)]