31380505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9109}}^1$

素因数の和:9180

約数の個数: 16

約数和(自身を含む): 41322960

約数和(自身を除く): 9942455

約数列:

[1, 5, 13, 53, 65, 265, 689, 3445, 9109, 45545, 118417, 482777, 592085, 2413885, 6276101, 31380505]

約数ペア:

[(1, 31380505), (5, 6276101), (13, 2413885), (53, 592085), (65, 482777), (265, 118417), (689, 45545), (3445, 9109)]