79618987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{271}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 98224640

約数和(自身を除く): 18605653

約数列:

[1, 7, 19, 47, 133, 271, 329, 893, 1897, 2209, 5149, 6251, 12737, 15463, 36043, 41971, 89159, 242003, 293797, 598639, 1694021, 4190473, 11374141, 79618987]

約数ペア:

[(1, 79618987), (7, 11374141), (19, 4190473), (47, 1694021), (133, 598639), (271, 293797), (329, 242003), (893, 89159), (1897, 41971), (2209, 36043), (5149, 15463), (6251, 12737)]