220187851

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 244720000

約数和(自身を除く): 24532149

約数列:

[1, 13, 37, 229, 481, 1999, 2977, 8473, 25987, 73963, 110149, 457771, 961519, 5951023, 16937527, 220187851]

約数ペア:

[(1, 220187851), (13, 16937527), (37, 5951023), (229, 961519), (481, 457771), (1999, 110149), (2977, 73963), (8473, 25987)]