217871628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1396613}}^1$

素因数の和:1396633

約数の個数: 24

約数和(自身を含む): 547472688

約数和(自身を除く): 329601060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1396613, 2793226, 4189839, 5586452, 8379678, 16759356, 18155969, 36311938, 54467907, 72623876, 108935814, 217871628]

約数ペア:

[(1, 217871628), (2, 108935814), (3, 72623876), (4, 54467907), (6, 36311938), (12, 18155969), (13, 16759356), (26, 8379678), (39, 5586452), (52, 4189839), (78, 2793226), (156, 1396613)]