129311650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{198941}}^1$

素因数の和:198966

約数の個数: 24

約数和(自身を含む): 259022484

約数和(自身を除く): 129710834

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 198941, 397882, 994705, 1989410, 2586233, 4973525, 5172466, 9947050, 12931165, 25862330, 64655825, 129311650]

約数ペア:

[(1, 129311650), (2, 64655825), (5, 25862330), (10, 12931165), (13, 9947050), (25, 5172466), (26, 4973525), (50, 2586233), (65, 1989410), (130, 994705), (325, 397882), (650, 198941)]