72391571

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{18701}}^1$

素因数の和:18794

約数の個数: 12

約数和(自身を含む): 85281120

約数和(自身を除く): 12889549

約数列:

[1, 7, 49, 79, 553, 3871, 18701, 130907, 916349, 1477379, 10341653, 72391571]

約数ペア:

[(1, 72391571), (7, 10341653), (49, 1477379), (79, 916349), (553, 130907), (3871, 18701)]