12778826

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1069}}^1$

素因数の和:1253

約数の個数: 16

約数和(自身を含む): 19773600

約数和(自身を除く): 6994774

約数列:

[1, 2, 43, 86, 139, 278, 1069, 2138, 5977, 11954, 45967, 91934, 148591, 297182, 6389413, 12778826]

約数ペア:

[(1, 12778826), (2, 6389413), (43, 297182), (86, 148591), (139, 91934), (278, 45967), (1069, 11954), (2138, 5977)]