201318725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{3911}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 261947520

約数和(自身を除く): 60628795

約数列:

[1, 5, 25, 29, 71, 145, 355, 725, 1775, 2059, 3911, 10295, 19555, 51475, 97775, 113419, 277681, 567095, 1388405, 2835475, 6942025, 8052749, 40263745, 201318725]

約数ペア:

[(1, 201318725), (5, 40263745), (25, 8052749), (29, 6942025), (71, 2835475), (145, 1388405), (355, 567095), (725, 277681), (1775, 113419), (2059, 97775), (3911, 51475), (10295, 19555)]