31490568

素因数分解:

$2^3\times 3^2\times {\mathrm{263}}^1\times {\mathrm{1663}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 85662720

約数和(自身を除く): 54172152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 263, 526, 789, 1052, 1578, 1663, 2104, 2367, 3156, 3326, 4734, 4989, 6312, 6652, 9468, 9978, 13304, 14967, 18936, 19956, 29934, 39912, 59868, 119736, 437369, 874738, 1312107, 1749476, 2624214, 3498952, 3936321, 5248428, 7872642, 10496856, 15745284, 31490568]

約数ペア:

[(1, 31490568), (2, 15745284), (3, 10496856), (4, 7872642), (6, 5248428), (8, 3936321), (9, 3498952), (12, 2624214), (18, 1749476), (24, 1312107), (36, 874738), (72, 437369), (263, 119736), (526, 59868), (789, 39912), (1052, 29934), (1578, 19956), (1663, 18936), (2104, 14967), (2367, 13304), (3156, 9978), (3326, 9468), (4734, 6652), (4989, 6312)]