212219788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{54193}}^1$

素因数の和:54297

約数の個数: 24

約数和(自身を含む): 409706640

約数和(自身を除く): 197486852

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 54193, 108386, 216772, 596123, 1192246, 2384492, 4823177, 9646354, 19292708, 53054947, 106109894, 212219788]

約数ペア:

[(1, 212219788), (2, 106109894), (4, 53054947), (11, 19292708), (22, 9646354), (44, 4823177), (89, 2384492), (178, 1192246), (356, 596123), (979, 216772), (1958, 108386), (3916, 54193)]