12978427

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4111}}^1$

素因数の和:4170

約数の個数: 16

約数和(自身を含む): 16579584

約数和(自身を除く): 3601157

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 4111, 28777, 45221, 168551, 316547, 1179857, 1854061, 12978427]

約数ペア:

[(1, 12978427), (7, 1854061), (11, 1179857), (41, 316547), (77, 168551), (287, 45221), (451, 28777), (3157, 4111)]