258931660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{76607}}^1$

素因数の和:76642

約数の個数: 36

約数和(自身を含む): 588809088

約数和(自身を除く): 329877428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 76607, 153214, 306428, 383035, 766070, 995891, 1532140, 1991782, 3983564, 4979455, 9958910, 12946583, 19917820, 25893166, 51786332, 64732915, 129465830, 258931660]

約数ペア:

[(1, 258931660), (2, 129465830), (4, 64732915), (5, 51786332), (10, 25893166), (13, 19917820), (20, 12946583), (26, 9958910), (52, 4979455), (65, 3983564), (130, 1991782), (169, 1532140), (260, 995891), (338, 766070), (676, 383035), (845, 306428), (1690, 153214), (3380, 76607)]