80491895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{521}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 107602992

約数和(自身を除く): 27111097

約数列:

[1, 5, 11, 53, 55, 265, 521, 583, 2605, 2809, 2915, 5731, 14045, 27613, 28655, 30899, 138065, 154495, 303743, 1463489, 1518715, 7317445, 16098379, 80491895]

約数ペア:

[(1, 80491895), (5, 16098379), (11, 7317445), (53, 1518715), (55, 1463489), (265, 303743), (521, 154495), (583, 138065), (2605, 30899), (2809, 28655), (2915, 27613), (5731, 14045)]