128721828

素因数分解:

$2^2\times 3^1\times {\mathrm{419}}^1\times {\mathrm{25601}}^1$

素因数の和:26027

約数の個数: 24

約数和(自身を含む): 301079520

約数和(自身を除く): 172357692

約数列:

[1, 2, 3, 4, 6, 12, 419, 838, 1257, 1676, 2514, 5028, 25601, 51202, 76803, 102404, 153606, 307212, 10726819, 21453638, 32180457, 42907276, 64360914, 128721828]

約数ペア:

[(1, 128721828), (2, 64360914), (3, 42907276), (4, 32180457), (6, 21453638), (12, 10726819), (419, 307212), (838, 153606), (1257, 102404), (1676, 76803), (2514, 51202), (5028, 25601)]