7131121895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{19759}}^1$

素因数の和:19943

約数の個数: 32

約数和(自身を含む): 9389952000

約数和(自身を除く): 2258830105

約数列:

[1, 5, 19, 29, 95, 131, 145, 551, 655, 2489, 2755, 3799, 12445, 18995, 19759, 72181, 98795, 360905, 375421, 573011, 1877105, 2588429, 2865055, 10887209, 12942145, 49180151, 54436045, 75064441, 245900755, 375322205, 1426224379, 7131121895]

約数ペア:

[(1, 7131121895), (5, 1426224379), (19, 375322205), (29, 245900755), (95, 75064441), (131, 54436045), (145, 49180151), (551, 12942145), (655, 10887209), (2489, 2865055), (2755, 2588429), (3799, 1877105), (12445, 573011), (18995, 375421), (19759, 360905), (72181, 98795)]