28690618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{21379}}^1$

素因数の和:21453

約数の個数: 16

約数和(自身を含む): 47720160

約数和(自身を除く): 19029542

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 21379, 42758, 235169, 470338, 1304119, 2608238, 14345309, 28690618]

約数ペア:

[(1, 28690618), (2, 14345309), (11, 2608238), (22, 1304119), (61, 470338), (122, 235169), (671, 42758), (1342, 21379)]