129123215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{64081}}^1$

素因数の和:64130

約数の個数: 16

約数和(自身を含む): 172252416

約数和(自身を除く): 43129201

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 64081, 320405, 833053, 1986511, 4165265, 9932555, 25824643, 129123215]

約数ペア:

[(1, 129123215), (5, 25824643), (13, 9932555), (31, 4165265), (65, 1986511), (155, 833053), (403, 320405), (2015, 64081)]