28525819

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3426

約数の個数: 16

約数和(自身を含む): 34670592

約数和(自身を除く): 6144773

約数列:

[1, 7, 23, 53, 161, 371, 1219, 3343, 8533, 23401, 76889, 177179, 538223, 1240253, 4075117, 28525819]

約数ペア:

[(1, 28525819), (7, 4075117), (23, 1240253), (53, 538223), (161, 177179), (371, 76889), (1219, 23401), (3343, 8533)]