201791915

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{5081}}^1$

素因数の和:5159

約数の個数: 24

約数和(自身を含む): 267841728

約数和(自身を除く): 66049813

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 845, 3055, 5081, 7943, 25405, 39715, 66053, 238807, 330265, 858689, 1194035, 3104491, 4293445, 15522455, 40358383, 201791915]

約数ペア:

[(1, 201791915), (5, 40358383), (13, 15522455), (47, 4293445), (65, 3104491), (169, 1194035), (235, 858689), (611, 330265), (845, 238807), (3055, 66053), (5081, 39715), (7943, 25405)]