291216629

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 339181920

約数和(自身を除く): 47965291

約数列:

[1, 11, 19, 121, 197, 209, 643, 2167, 2299, 3743, 7073, 12217, 23837, 41173, 77803, 126671, 134387, 452903, 1393381, 1478257, 2406749, 15327191, 26474239, 291216629]

約数ペア:

[(1, 291216629), (11, 26474239), (19, 15327191), (121, 2406749), (197, 1478257), (209, 1393381), (643, 452903), (2167, 134387), (2299, 126671), (3743, 77803), (7073, 41173), (12217, 23837)]