251018885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{20219}}^1$

素因数の和:20428

約数の個数: 16

約数和(自身を含む): 326108160

約数和(自身を除く): 75089275

約数列:

[1, 5, 13, 65, 191, 955, 2483, 12415, 20219, 101095, 262847, 1314235, 3861829, 19309145, 50203777, 251018885]

約数ペア:

[(1, 251018885), (5, 50203777), (13, 19309145), (65, 3861829), (191, 1314235), (955, 262847), (2483, 101095), (12415, 20219)]