78121554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1860037}}^1$

素因数の和:1860049

約数の個数: 16

約数和(自身を含む): 178563648

約数和(自身を除く): 100442094

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1860037, 3720074, 5580111, 11160222, 13020259, 26040518, 39060777, 78121554]

約数ペア:

[(1, 78121554), (2, 39060777), (3, 26040518), (6, 13020259), (7, 11160222), (14, 5580111), (21, 3720074), (42, 1860037)]