291220686

素因数分解:

$2^1\times 3^2\times {\mathrm{739}}^1\times {\mathrm{21893}}^1$

素因数の和:22640

約数の個数: 24

約数和(自身を含む): 631860840

約数和(自身を除く): 340640154

約数列:

[1, 2, 3, 6, 9, 18, 739, 1478, 2217, 4434, 6651, 13302, 21893, 43786, 65679, 131358, 197037, 394074, 16178927, 32357854, 48536781, 97073562, 145610343, 291220686]

約数ペア:

[(1, 291220686), (2, 145610343), (3, 97073562), (6, 48536781), (9, 32357854), (18, 16178927), (739, 394074), (1478, 197037), (2217, 131358), (4434, 65679), (6651, 43786), (13302, 21893)]