28509212

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1031}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 51781632

約数和(自身を除く): 23272420

約数列:

[1, 2, 4, 31, 62, 124, 223, 446, 892, 1031, 2062, 4124, 6913, 13826, 27652, 31961, 63922, 127844, 229913, 459826, 919652, 7127303, 14254606, 28509212]

約数ペア:

[(1, 28509212), (2, 14254606), (4, 7127303), (31, 919652), (62, 459826), (124, 229913), (223, 127844), (446, 63922), (892, 31961), (1031, 27652), (2062, 13826), (4124, 6913)]