1988479870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15295999}}^1$

素因数の和:15296019

約数の個数: 16

約数和(自身を含む): 3854592000

約数和(自身を除く): 1866112130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 15295999, 30591998, 76479995, 152959990, 198847987, 397695974, 994239935, 1988479870]

約数ペア:

[(1, 1988479870), (2, 994239935), (5, 397695974), (10, 198847987), (13, 152959990), (26, 76479995), (65, 30591998), (130, 15295999)]