1990291247

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1\times {\mathrm{11369}}^1$

素因数の和:11746

約数の個数: 16

約数和(自身を含む): 2308564800

約数和(自身を除く): 318273553

約数列:

[1, 7, 89, 281, 623, 1967, 11369, 25009, 79583, 175063, 1011841, 3194689, 7082887, 22362823, 284327321, 1990291247]

約数ペア:

[(1, 1990291247), (7, 284327321), (89, 22362823), (281, 7082887), (623, 3194689), (1967, 1011841), (11369, 175063), (25009, 79583)]