278289804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{4139}}^1$

素因数の和:4590

約数の個数: 48

約数和(自身を含む): 701084160

約数和(自身を除く): 422794356

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 431, 862, 1293, 1724, 2586, 4139, 5172, 5603, 8278, 11206, 12417, 16556, 16809, 22412, 24834, 33618, 49668, 53807, 67236, 107614, 161421, 215228, 322842, 645684, 1783909, 3567818, 5351727, 7135636, 10703454, 21406908, 23190817, 46381634, 69572451, 92763268, 139144902, 278289804]

約数ペア:

[(1, 278289804), (2, 139144902), (3, 92763268), (4, 69572451), (6, 46381634), (12, 23190817), (13, 21406908), (26, 10703454), (39, 7135636), (52, 5351727), (78, 3567818), (156, 1783909), (431, 645684), (862, 322842), (1293, 215228), (1724, 161421), (2586, 107614), (4139, 67236), (5172, 53807), (5603, 49668), (8278, 33618), (11206, 24834), (12417, 22412), (16556, 16809)]