139256908

素因数分解:

$2^2\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{2503}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 278765312

約数和(自身を除く): 139508404

約数列:

[1, 2, 4, 7, 14, 28, 1987, 2503, 3974, 5006, 7948, 10012, 13909, 17521, 27818, 35042, 55636, 70084, 4973461, 9946922, 19893844, 34814227, 69628454, 139256908]

約数ペア:

[(1, 139256908), (2, 69628454), (4, 34814227), (7, 19893844), (14, 9946922), (28, 4973461), (1987, 70084), (2503, 55636), (3974, 35042), (5006, 27818), (7948, 17521), (10012, 13909)]