65689585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^2$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 87519096

約数和(自身を除く): 21829511

約数列:

[1, 5, 13, 41, 65, 157, 205, 533, 785, 2041, 2665, 6437, 10205, 24649, 32185, 83681, 123245, 320437, 418405, 1010609, 1602185, 5053045, 13137917, 65689585]

約数ペア:

[(1, 65689585), (5, 13137917), (13, 5053045), (41, 1602185), (65, 1010609), (157, 418405), (205, 320437), (533, 123245), (785, 83681), (2041, 32185), (2665, 24649), (6437, 10205)]