81956075

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{433}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 104295408

約数和(自身を除く): 22339333

約数列:

[1, 5, 25, 67, 113, 335, 433, 565, 1675, 2165, 2825, 7571, 10825, 29011, 37855, 48929, 145055, 189275, 244645, 725275, 1223225, 3278243, 16391215, 81956075]

約数ペア:

[(1, 81956075), (5, 16391215), (25, 3278243), (67, 1223225), (113, 725275), (335, 244645), (433, 189275), (565, 145055), (1675, 48929), (2165, 37855), (2825, 29011), (7571, 10825)]