81049490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{279481}}^1$

素因数の和:279517

約数の個数: 16

約数和(自身を含む): 150920280

約数和(自身を除く): 69870790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 279481, 558962, 1397405, 2794810, 8104949, 16209898, 40524745, 81049490]

約数ペア:

[(1, 81049490), (2, 40524745), (5, 16209898), (10, 8104949), (29, 2794810), (58, 1397405), (145, 558962), (290, 279481)]