217278325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{3391}}^1$

素因数の和:3645

約数の個数: 24

約数和(自身を含む): 295266816

約数和(自身を除く): 77988491

約数列:

[1, 5, 11, 25, 55, 233, 275, 1165, 2563, 3391, 5825, 12815, 16955, 37301, 64075, 84775, 186505, 790103, 932525, 3950515, 8691133, 19752575, 43455665, 217278325]

約数ペア:

[(1, 217278325), (5, 43455665), (11, 19752575), (25, 8691133), (55, 3950515), (233, 932525), (275, 790103), (1165, 186505), (2563, 84775), (3391, 64075), (5825, 37301), (12815, 16955)]