87112004

素因数分解:

$2^2\times 7^2\times {\mathrm{444449}}^1$

素因数の和:444467

約数の個数: 18

約数和(自身を含む): 177335550

約数和(自身を除く): 90223546

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 444449, 888898, 1777796, 3111143, 6222286, 12444572, 21778001, 43556002, 87112004]

約数ペア:

[(1, 87112004), (2, 43556002), (4, 21778001), (7, 12444572), (14, 6222286), (28, 3111143), (49, 1777796), (98, 888898), (196, 444449)]