725087285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{4397}}^1$

素因数の和:4517

約数の個数: 32

約数和(自身を含む): 975300480

約数和(自身を除く): 250213195

約数列:

[1, 5, 13, 43, 59, 65, 215, 295, 559, 767, 2537, 2795, 3835, 4397, 12685, 21985, 32981, 57161, 164905, 189071, 259423, 285805, 945355, 1297115, 2457923, 3372499, 11155189, 12289615, 16862495, 55775945, 145017457, 725087285]

約数ペア:

[(1, 725087285), (5, 145017457), (13, 55775945), (43, 16862495), (59, 12289615), (65, 11155189), (215, 3372499), (295, 2457923), (559, 1297115), (767, 945355), (2537, 285805), (2795, 259423), (3835, 189071), (4397, 164905), (12685, 57161), (21985, 32981)]