2051207977

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{164531}}^1$

素因数の和:164688

約数の個数: 16

約数和(自身を含む): 2543006592

約数和(自身を除く): 491798615

約数列:

[1, 7, 13, 91, 137, 959, 1781, 12467, 164531, 1151717, 2138903, 14972321, 22540747, 157785229, 293029711, 2051207977]

約数ペア:

[(1, 2051207977), (7, 293029711), (13, 157785229), (91, 22540747), (137, 14972321), (959, 2138903), (1781, 1151717), (12467, 164531)]