254539870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1957999}}^1$

素因数の和:1958019

約数の個数: 16

約数和(自身を含む): 493416000

約数和(自身を除く): 238876130

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1957999, 3915998, 9789995, 19579990, 25453987, 50907974, 127269935, 254539870]

約数ペア:

[(1, 254539870), (2, 127269935), (5, 50907974), (10, 25453987), (13, 19579990), (26, 9789995), (65, 3915998), (130, 1957999)]