643097676

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4122421}}^1$

素因数の和:4122441

約数の個数: 24

約数和(自身を含む): 1615989424

約数和(自身を除く): 972891748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4122421, 8244842, 12367263, 16489684, 24734526, 49469052, 53591473, 107182946, 160774419, 214365892, 321548838, 643097676]

約数ペア:

[(1, 643097676), (2, 321548838), (3, 214365892), (4, 160774419), (6, 107182946), (12, 53591473), (13, 49469052), (26, 24734526), (39, 16489684), (52, 12367263), (78, 8244842), (156, 4122421)]