15671206817

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:1005

約数の個数: 32

約数和(自身を含む): 18290688000

約数和(自身を除く): 2619481183

約数列:

[1, 7, 103, 199, 239, 457, 721, 1393, 1673, 3199, 20497, 24617, 47071, 47561, 90943, 109223, 143479, 172319, 329497, 332927, 636601, 764561, 4898783, 9367129, 11249969, 21735377, 34291481, 65569903, 78749783, 152147639, 2238743831, 15671206817]

約数ペア:

[(1, 15671206817), (7, 2238743831), (103, 152147639), (199, 78749783), (239, 65569903), (457, 34291481), (721, 21735377), (1393, 11249969), (1673, 9367129), (3199, 4898783), (20497, 764561), (24617, 636601), (47071, 332927), (47561, 329497), (90943, 172319), (109223, 143479)]