12864826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 21909888

約数和(自身を除く): 9045062

約数列:

[1, 2, 13, 26, 37, 43, 74, 86, 311, 481, 559, 622, 962, 1118, 1591, 3182, 4043, 8086, 11507, 13373, 20683, 23014, 26746, 41366, 149591, 173849, 299182, 347698, 494801, 989602, 6432413, 12864826]

約数ペア:

[(1, 12864826), (2, 6432413), (13, 989602), (26, 494801), (37, 347698), (43, 299182), (74, 173849), (86, 149591), (311, 41366), (481, 26746), (559, 23014), (622, 20683), (962, 13373), (1118, 11507), (1591, 8086), (3182, 4043)]