645155135

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{6521}}^1$

素因数の和:6994

約数の個数: 16

約数和(自身を含む): 792657792

約数和(自身を除く): 147502657

約数列:

[1, 5, 47, 235, 421, 2105, 6521, 19787, 32605, 98935, 306487, 1532435, 2745341, 13726705, 129031027, 645155135]

約数ペア:

[(1, 645155135), (5, 129031027), (47, 13726705), (235, 2745341), (421, 1532435), (2105, 306487), (6521, 98935), (19787, 32605)]