81059770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{1409}}^1$

素因数の和:1950

約数の個数: 32

約数和(自身を含む): 159589440

約数和(自身を除く): 78529670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 523, 1046, 1409, 2615, 2818, 5230, 5753, 7045, 11506, 14090, 15499, 28765, 30998, 57530, 77495, 154990, 736907, 1473814, 3684535, 7369070, 8105977, 16211954, 40529885, 81059770]

約数ペア:

[(1, 81059770), (2, 40529885), (5, 16211954), (10, 8105977), (11, 7369070), (22, 3684535), (55, 1473814), (110, 736907), (523, 154990), (1046, 77495), (1409, 57530), (2615, 30998), (2818, 28765), (5230, 15499), (5753, 14090), (7045, 11506)]