28439294

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{6967}}^1$

素因数の和:7139

約数の個数: 16

約数和(自身を含む): 46239648

約数和(自身を除く): 17800354

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 6967, 13934, 90571, 181142, 1093819, 2187638, 14219647, 28439294]

約数ペア:

[(1, 28439294), (2, 14219647), (13, 2187638), (26, 1093819), (157, 181142), (314, 90571), (2041, 13934), (4082, 6967)]