64859015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 86982336

約数和(自身を除く): 22123321

約数列:

[1, 5, 13, 53, 65, 67, 265, 281, 335, 689, 871, 1405, 3445, 3551, 3653, 4355, 14893, 17755, 18265, 18827, 46163, 74465, 94135, 193609, 230815, 244751, 968045, 997831, 1223755, 4989155, 12971803, 64859015]

約数ペア:

[(1, 64859015), (5, 12971803), (13, 4989155), (53, 1223755), (65, 997831), (67, 968045), (265, 244751), (281, 230815), (335, 193609), (689, 94135), (871, 74465), (1405, 46163), (3445, 18827), (3551, 18265), (3653, 17755), (4355, 14893)]