25778858

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:714

約数の個数: 32

約数和(自身を含む): 46848000

約数和(自身を除く): 21069142

約数列:

[1, 2, 7, 14, 19, 38, 133, 199, 266, 398, 487, 974, 1393, 2786, 3409, 3781, 6818, 7562, 9253, 18506, 26467, 52934, 64771, 96913, 129542, 193826, 678391, 1356782, 1841347, 3682694, 12889429, 25778858]

約数ペア:

[(1, 25778858), (2, 12889429), (7, 3682694), (14, 1841347), (19, 1356782), (38, 678391), (133, 193826), (199, 129542), (266, 96913), (398, 64771), (487, 52934), (974, 26467), (1393, 18506), (2786, 9253), (3409, 7562), (3781, 6818)]