64641265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{14843}}^1$

素因数の和:14928

約数の個数: 16

約数和(自身を含む): 84788928

約数和(自身を除く): 20147663

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 14843, 74215, 192959, 964795, 994481, 4972405, 12928253, 64641265]

約数ペア:

[(1, 64641265), (5, 12928253), (13, 4972405), (65, 994481), (67, 964795), (335, 192959), (871, 74215), (4355, 14843)]