71851225

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 92237400

約数和(自身を除く): 20386175

約数列:

[1, 5, 25, 37, 173, 185, 449, 865, 925, 2245, 4325, 6401, 11225, 16613, 32005, 77677, 83065, 160025, 388385, 415325, 1941925, 2874049, 14370245, 71851225]

約数ペア:

[(1, 71851225), (5, 14370245), (25, 2874049), (37, 1941925), (173, 415325), (185, 388385), (449, 160025), (865, 83065), (925, 77677), (2245, 32005), (4325, 16613), (6401, 11225)]