15691981991

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{297191}}^1$

素因数の和:297614

約数の個数: 16

約数和(自身を含む): 18925186560

約数和(自身を除く): 3233204569

約数列:

[1, 7, 19, 133, 397, 2779, 7543, 52801, 297191, 2080337, 5646629, 39526403, 117984827, 825893789, 2241711713, 15691981991]

約数ペア:

[(1, 15691981991), (7, 2241711713), (19, 825893789), (133, 117984827), (397, 39526403), (2779, 5646629), (7543, 2080337), (52801, 297191)]