65972221

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2620

約数の個数: 16

約数和(自身を含む): 78217984

約数和(自身を除く): 12245763

約数列:

[1, 7, 37, 103, 259, 721, 2473, 3811, 17311, 26677, 91501, 254719, 640507, 1783033, 9424603, 65972221]

約数ペア:

[(1, 65972221), (7, 9424603), (37, 1783033), (103, 640507), (259, 254719), (721, 91501), (2473, 26677), (3811, 17311)]