28688738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{8423}}^1$

素因数の和:8569

約数の個数: 16

約数和(自身を含む): 46702656

約数和(自身を除く): 18013918

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 8423, 16846, 109499, 218998, 1103413, 2206826, 14344369, 28688738]

約数ペア:

[(1, 28688738), (2, 14344369), (13, 2206826), (26, 1103413), (131, 218998), (262, 109499), (1703, 16846), (3406, 8423)]