660872012

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{171923}}^1$

素因数の和:171989

約数の個数: 18

約数和(自身を含む): 1195043724

約数和(自身を除く): 534171712

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 171923, 343846, 687692, 5329613, 10659226, 21318452, 165218003, 330436006, 660872012]

約数ペア:

[(1, 660872012), (2, 330436006), (4, 165218003), (31, 21318452), (62, 10659226), (124, 5329613), (961, 687692), (1922, 343846), (3844, 171923)]