1990657955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2784137}}^1$

素因数の和:2784166

約数の個数: 16

約数和(自身を含む): 2806411104

約数和(自身を除く): 815753149

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2784137, 13920685, 30625507, 36193781, 153127535, 180968905, 398131591, 1990657955]

約数ペア:

[(1, 1990657955), (5, 398131591), (11, 180968905), (13, 153127535), (55, 36193781), (65, 30625507), (143, 13920685), (715, 2784137)]