388956862

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1\times {\mathrm{1087}}^1$

素因数の和:1576

約数の個数: 32

約数和(自身を含む): 679956480

約数和(自身を除く): 290999618

約数列:

[1, 2, 7, 14, 61, 122, 419, 427, 838, 854, 1087, 2174, 2933, 5866, 7609, 15218, 25559, 51118, 66307, 132614, 178913, 357826, 455453, 464149, 910906, 928298, 3188171, 6376342, 27782633, 55565266, 194478431, 388956862]

約数ペア:

[(1, 388956862), (2, 194478431), (7, 55565266), (14, 27782633), (61, 6376342), (122, 3188171), (419, 928298), (427, 910906), (838, 464149), (854, 455453), (1087, 357826), (2174, 178913), (2933, 132614), (5866, 66307), (7609, 51118), (15218, 25559)]