81552575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{719}}^1$

素因数の和:1091

約数の個数: 24

約数和(自身を含む): 109368000

約数和(自身を除く): 27815425

約数列:

[1, 5, 13, 25, 65, 325, 349, 719, 1745, 3595, 4537, 8725, 9347, 17975, 22685, 46735, 113425, 233675, 250931, 1254655, 3262103, 6273275, 16310515, 81552575]

約数ペア:

[(1, 81552575), (5, 16310515), (13, 6273275), (25, 3262103), (65, 1254655), (325, 250931), (349, 233675), (719, 113425), (1745, 46735), (3595, 22685), (4537, 17975), (8725, 9347)]