81438595

素因数分解:

$5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{5861}}^1$

素因数の和:6270

約数の個数: 16

約数和(自身を含む): 111987648

約数和(自身を除く): 30549053

約数列:

[1, 5, 7, 35, 397, 1985, 2779, 5861, 13895, 29305, 41027, 205135, 2326817, 11634085, 16287719, 81438595]

約数ペア:

[(1, 81438595), (5, 16287719), (7, 11634085), (35, 2326817), (397, 205135), (1985, 41027), (2779, 29305), (5861, 13895)]