311293788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1995473}}^1$

素因数の和:1995493

約数の個数: 24

約数和(自身を含む): 782225808

約数和(自身を除く): 470932020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1995473, 3990946, 5986419, 7981892, 11972838, 23945676, 25941149, 51882298, 77823447, 103764596, 155646894, 311293788]

約数ペア:

[(1, 311293788), (2, 155646894), (3, 103764596), (4, 77823447), (6, 51882298), (12, 25941149), (13, 23945676), (26, 11972838), (39, 7981892), (52, 5986419), (78, 3990946), (156, 1995473)]