817148540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3142879}}^1$

素因数の和:3142901

約数の個数: 24

約数和(自身を含む): 1848013440

約数和(自身を除く): 1030864900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3142879, 6285758, 12571516, 15714395, 31428790, 40857427, 62857580, 81714854, 163429708, 204287135, 408574270, 817148540]

約数ペア:

[(1, 817148540), (2, 408574270), (4, 204287135), (5, 163429708), (10, 81714854), (13, 62857580), (20, 40857427), (26, 31428790), (52, 15714395), (65, 12571516), (130, 6285758), (260, 3142879)]