199916044

素因数分解:

$2^2\times {\mathrm{1987}}^1\times {\mathrm{25153}}^1$

素因数の和:27144

約数の個数: 12

約数和(自身を含む): 350043064

約数和(自身を除く): 150127020

約数列:

[1, 2, 4, 1987, 3974, 7948, 25153, 50306, 100612, 49979011, 99958022, 199916044]

約数ペア:

[(1, 199916044), (2, 99958022), (4, 49979011), (1987, 100612), (3974, 50306), (7948, 25153)]