28692989

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 18

約数和(自身を含む): 32161518

約数和(自身を除く): 3468529

約数列:

[1, 13, 41, 101, 169, 533, 1313, 1681, 4141, 6929, 17069, 21853, 53833, 169781, 284089, 699829, 2207153, 28692989]

約数ペア:

[(1, 28692989), (13, 2207153), (41, 699829), (101, 284089), (169, 169781), (533, 53833), (1313, 21853), (1681, 17069), (4141, 6929)]