28331825

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 36541560

約数和(自身を除く): 8209735

約数列:

[1, 5, 25, 37, 109, 185, 281, 545, 925, 1405, 2725, 4033, 7025, 10397, 20165, 30629, 51985, 100825, 153145, 259925, 765725, 1133273, 5666365, 28331825]

約数ペア:

[(1, 28331825), (5, 5666365), (25, 1133273), (37, 765725), (109, 259925), (185, 153145), (281, 100825), (545, 51985), (925, 30629), (1405, 20165), (2725, 10397), (4033, 7025)]