31281296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2463

約数の個数: 40

約数和(自身を含む): 65308320

約数和(自身を除く): 34027024

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 2393, 3268, 4786, 6536, 9572, 13072, 19144, 38288, 45467, 90934, 102899, 181868, 205798, 363736, 411596, 727472, 823192, 1646384, 1955081, 3910162, 7820324, 15640648, 31281296]

約数ペア:

[(1, 31281296), (2, 15640648), (4, 7820324), (8, 3910162), (16, 1955081), (19, 1646384), (38, 823192), (43, 727472), (76, 411596), (86, 363736), (152, 205798), (172, 181868), (304, 102899), (344, 90934), (688, 45467), (817, 38288), (1634, 19144), (2393, 13072), (3268, 9572), (4786, 6536)]