85965665

素因数分解:

$5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{409}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 104540160

約数和(自身を除く): 18574495

約数列:

[1, 5, 127, 331, 409, 635, 1655, 2045, 42037, 51943, 135379, 210185, 259715, 676895, 17193133, 85965665]

約数ペア:

[(1, 85965665), (5, 17193133), (127, 676895), (331, 259715), (409, 210185), (635, 135379), (1655, 51943), (2045, 42037)]