497705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 702720

約数和(自身を除く): 205015

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 169, 247, 403, 589, 845, 1235, 2015, 2945, 3211, 5239, 7657, 16055, 26195, 38285, 99541, 497705]

約数ペア:

[(1, 497705), (5, 99541), (13, 38285), (19, 26195), (31, 16055), (65, 7657), (95, 5239), (155, 3211), (169, 2945), (247, 2015), (403, 1235), (589, 845)]