1990457966

素因数分解:

$2^1\times 7^1\times {\mathrm{20407}}^1\times {\mathrm{6967}}^1$

素因数の和:27383

約数の個数: 16

約数和(自身を含む): 3412870656

約数和(自身を除く): 1422412690

約数列:

[1, 2, 7, 14, 6967, 13934, 20407, 40814, 48769, 97538, 142849, 285698, 142175569, 284351138, 995228983, 1990457966]

約数ペア:

[(1, 1990457966), (2, 995228983), (7, 284351138), (14, 142175569), (6967, 285698), (13934, 142849), (20407, 97538), (40814, 48769)]