289721562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{8461}}^1$

素因数の和:8918

約数の個数: 32

約数和(自身を含む): 625511040

約数和(自身を除く): 335789478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 439, 878, 1317, 2634, 5707, 8461, 11414, 16922, 17121, 25383, 34242, 50766, 109993, 219986, 329979, 659958, 3714379, 7428758, 11143137, 22286274, 48286927, 96573854, 144860781, 289721562]

約数ペア:

[(1, 289721562), (2, 144860781), (3, 96573854), (6, 48286927), (13, 22286274), (26, 11143137), (39, 7428758), (78, 3714379), (439, 659958), (878, 329979), (1317, 219986), (2634, 109993), (5707, 50766), (8461, 34242), (11414, 25383), (16922, 17121)]