214920805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{2593}}^1$

素因数の和:2757

約数の個数: 24

約数和(自身を含む): 285661656

約数和(自身を除く): 70740851

約数列:

[1, 5, 11, 55, 121, 137, 605, 685, 1507, 2593, 7535, 12965, 16577, 28523, 82885, 142615, 313753, 355241, 1568765, 1776205, 3907651, 19538255, 42984161, 214920805]

約数ペア:

[(1, 214920805), (5, 42984161), (11, 19538255), (55, 3907651), (121, 1776205), (137, 1568765), (605, 355241), (685, 313753), (1507, 142615), (2593, 82885), (7535, 28523), (12965, 16577)]