999382390

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1265041}}^1$

素因数の和:1265127

約数の個数: 16

約数和(自身を含む): 1821660480

約数和(自身を除く): 822278090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 1265041, 2530082, 6325205, 12650410, 99938239, 199876478, 499691195, 999382390]

約数ペア:

[(1, 999382390), (2, 499691195), (5, 199876478), (10, 99938239), (79, 12650410), (158, 6325205), (395, 2530082), (790, 1265041)]