77890070

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{24571}}^1$

素因数の和:24895

約数の個数: 16

約数和(自身を含む): 140650128

約数和(自身を除く): 62760058

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 24571, 49142, 122855, 245710, 7789007, 15578014, 38945035, 77890070]

約数ペア:

[(1, 77890070), (2, 38945035), (5, 15578014), (10, 7789007), (317, 245710), (634, 122855), (1585, 49142), (3170, 24571)]