2800979314

素因数分解:

$2^1\times 7^1\times {\mathrm{19993}}^1\times {\mathrm{10007}}^1$

素因数の和:30009

約数の個数: 16

約数和(自身を含む): 4802398848

約数和(自身を除く): 2001419534

約数列:

[1, 2, 7, 14, 10007, 19993, 20014, 39986, 70049, 139951, 140098, 279902, 200069951, 400139902, 1400489657, 2800979314]

約数ペア:

[(1, 2800979314), (2, 1400489657), (7, 400139902), (14, 200069951), (10007, 279902), (19993, 140098), (20014, 139951), (39986, 70049)]