221913562

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{21179}}^1$

素因数の和:21238

約数の個数: 24

約数和(自身を含む): 372090240

約数和(自身を除く): 150176678

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 21179, 42358, 275327, 550654, 656549, 1313098, 3579251, 7158502, 8535137, 17070274, 110956781, 221913562]

約数ペア:

[(1, 221913562), (2, 110956781), (13, 17070274), (26, 8535137), (31, 7158502), (62, 3579251), (169, 1313098), (338, 656549), (403, 550654), (806, 275327), (5239, 42358), (10478, 21179)]