201521885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{16193}}^1$

素因数の和:16348

約数の個数: 16

約数和(自身を含む): 256512960

約数和(自身を除く): 54991075

約数列:

[1, 5, 19, 95, 131, 655, 2489, 12445, 16193, 80965, 307667, 1538335, 2121283, 10606415, 40304377, 201521885]

約数ペア:

[(1, 201521885), (5, 40304377), (19, 10606415), (95, 2121283), (131, 1538335), (655, 307667), (2489, 80965), (12445, 16193)]