157044025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{17401}}^1$

素因数の和:17449

約数の個数: 18

約数和(自身を含む): 205535022

約数和(自身を除く): 48490997

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 17401, 87005, 330619, 435025, 1653095, 6281761, 8265475, 31408805, 157044025]

約数ペア:

[(1, 157044025), (5, 31408805), (19, 8265475), (25, 6281761), (95, 1653095), (361, 435025), (475, 330619), (1805, 87005), (9025, 17401)]