678702978

素因数分解:

$2^1\times 3^2\times {\mathrm{1861}}^1\times {\mathrm{20261}}^1$

素因数の和:22130

約数の個数: 24

約数和(自身を含む): 1471385916

約数和(自身を除く): 792682938

約数列:

[1, 2, 3, 6, 9, 18, 1861, 3722, 5583, 11166, 16749, 20261, 33498, 40522, 60783, 121566, 182349, 364698, 37705721, 75411442, 113117163, 226234326, 339351489, 678702978]

約数ペア:

[(1, 678702978), (2, 339351489), (3, 226234326), (6, 113117163), (9, 75411442), (18, 37705721), (1861, 364698), (3722, 182349), (5583, 121566), (11166, 60783), (16749, 40522), (20261, 33498)]