511147

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 649152

約数和(自身を除く): 138005

約数列:

[1, 7, 13, 41, 91, 137, 287, 533, 959, 1781, 3731, 5617, 12467, 39319, 73021, 511147]

約数ペア:

[(1, 511147), (7, 73021), (13, 39319), (41, 12467), (91, 5617), (137, 3731), (287, 1781), (533, 959)]