64568405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{7879}}^1$

素因数の和:8044

約数の個数: 16

約数和(自身を含む): 85104000

約数和(自身を除く): 20535595

約数列:

[1, 5, 11, 55, 149, 745, 1639, 7879, 8195, 39395, 86669, 433345, 1173971, 5869855, 12913681, 64568405]

約数ペア:

[(1, 64568405), (5, 12913681), (11, 5869855), (55, 1173971), (149, 433345), (745, 86669), (1639, 39395), (7879, 8195)]