201271925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1\times {\mathrm{1181}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 265141512

約数和(自身を除く): 63869587

約数列:

[1, 5, 17, 25, 85, 401, 425, 1181, 2005, 5905, 6817, 10025, 20077, 29525, 34085, 100385, 170425, 473581, 501925, 2367905, 8050877, 11839525, 40254385, 201271925]

約数ペア:

[(1, 201271925), (5, 40254385), (17, 11839525), (25, 8050877), (85, 2367905), (401, 501925), (425, 473581), (1181, 170425), (2005, 100385), (5905, 34085), (6817, 29525), (10025, 20077)]