28121780212

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{1721}}^1\times {\mathrm{6373}}^1$

素因数の和:8739

約数の個数: 24

約数和(自身を含む): 49326269832

約数和(自身を除く): 21204489620

約数列:

[1, 2, 4, 641, 1282, 1721, 2564, 3442, 6373, 6884, 12746, 25492, 1103161, 2206322, 4085093, 4412644, 8170186, 10967933, 16340372, 21935866, 43871732, 7030445053, 14060890106, 28121780212]

約数ペア:

[(1, 28121780212), (2, 14060890106), (4, 7030445053), (641, 43871732), (1282, 21935866), (1721, 16340372), (2564, 10967933), (3442, 8170186), (6373, 4412644), (6884, 4085093), (12746, 2206322), (25492, 1103161)]