78887225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 104055840

約数和(自身を除く): 25168615

約数列:

[1, 5, 17, 25, 85, 419, 425, 443, 2095, 2215, 7123, 7531, 10475, 11075, 35615, 37655, 178075, 185617, 188275, 928085, 3155489, 4640425, 15777445, 78887225]

約数ペア:

[(1, 78887225), (5, 15777445), (17, 4640425), (25, 3155489), (85, 928085), (419, 188275), (425, 185617), (443, 178075), (2095, 37655), (2215, 35615), (7123, 11075), (7531, 10475)]