128822975

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 162830352

約数和(自身を除く): 34007377

約数列:

[1, 5, 25, 101, 163, 313, 505, 815, 1565, 2525, 4075, 7825, 16463, 31613, 51019, 82315, 158065, 255095, 411575, 790325, 1275475, 5152919, 25764595, 128822975]

約数ペア:

[(1, 128822975), (5, 25764595), (25, 5152919), (101, 1275475), (163, 790325), (313, 411575), (505, 255095), (815, 158065), (1565, 82315), (2525, 51019), (4075, 31613), (7825, 16463)]