221639495

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{82241}}^1$

素因数の和:82271

約数の個数: 24

約数和(自身を含む): 337521168

約数和(自身を除く): 115881673

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 82241, 411205, 575687, 904651, 2878435, 4029809, 4523255, 6332557, 20149045, 31662785, 44327899, 221639495]

約数ペア:

[(1, 221639495), (5, 44327899), (7, 31662785), (11, 20149045), (35, 6332557), (49, 4523255), (55, 4029809), (77, 2878435), (245, 904651), (385, 575687), (539, 411205), (2695, 82241)]