78490818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{622943}}^1$

素因数の和:622958

約数の個数: 24

約数和(自身を含む): 194358528

約数和(自身を除く): 115867710

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 622943, 1245886, 1868829, 3737658, 4360601, 5606487, 8721202, 11212974, 13081803, 26163606, 39245409, 78490818]

約数ペア:

[(1, 78490818), (2, 39245409), (3, 26163606), (6, 13081803), (7, 11212974), (9, 8721202), (14, 5606487), (18, 4360601), (21, 3737658), (42, 1868829), (63, 1245886), (126, 622943)]