490637

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 656640

約数和(自身を除く): 166003

約数列:

[1, 7, 17, 19, 31, 49, 119, 133, 217, 323, 527, 589, 833, 931, 1519, 2261, 3689, 4123, 10013, 15827, 25823, 28861, 70091, 490637]

約数ペア:

[(1, 490637), (7, 70091), (17, 28861), (19, 25823), (31, 15827), (49, 10013), (119, 4123), (133, 3689), (217, 2261), (323, 1519), (527, 931), (589, 833)]