64413505

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2521

約数の個数: 24

約数和(自身を含む): 86434560

約数和(自身を除く): 22021055

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 2459, 5239, 12295, 26195, 31967, 76229, 159835, 381145, 415571, 990977, 2077855, 4954885, 12882701, 64413505]

約数ペア:

[(1, 64413505), (5, 12882701), (13, 4954885), (31, 2077855), (65, 990977), (155, 415571), (169, 381145), (403, 159835), (845, 76229), (2015, 31967), (2459, 26195), (5239, 12295)]