205281505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{287107}}^1$

素因数の和:287136

約数の個数: 16

約数和(自身を含む): 289404864

約数和(自身を除く): 84123359

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 287107, 1435535, 3158177, 3732391, 15790885, 18661955, 41056301, 205281505]

約数ペア:

[(1, 205281505), (5, 41056301), (11, 18661955), (13, 15790885), (55, 3732391), (65, 3158177), (143, 1435535), (715, 287107)]