66691405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{15349}}^1$

素因数の和:15444

約数の個数: 16

約数和(自身を含む): 88416000

約数和(自身を除く): 21724595

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 15349, 76745, 168839, 844195, 1212571, 6062855, 13338281, 66691405]

約数ペア:

[(1, 66691405), (5, 13338281), (11, 6062855), (55, 1212571), (79, 844195), (395, 168839), (869, 76745), (4345, 15349)]