12784828

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 26611200

約数和(自身を除く): 13826372

約数列:

[1, 2, 4, 7, 14, 28, 59, 71, 109, 118, 142, 218, 236, 284, 413, 436, 497, 763, 826, 994, 1526, 1652, 1988, 3052, 4189, 6431, 7739, 8378, 12862, 15478, 16756, 25724, 29323, 30956, 45017, 54173, 58646, 90034, 108346, 117292, 180068, 216692, 456601, 913202, 1826404, 3196207, 6392414, 12784828]

約数ペア:

[(1, 12784828), (2, 6392414), (4, 3196207), (7, 1826404), (14, 913202), (28, 456601), (59, 216692), (71, 180068), (109, 117292), (118, 108346), (142, 90034), (218, 58646), (236, 54173), (284, 45017), (413, 30956), (436, 29323), (497, 25724), (763, 16756), (826, 15478), (994, 12862), (1526, 8378), (1652, 7739), (1988, 6431), (3052, 4189)]