79990385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{307}}^1$

素因数の和:425

約数の個数: 24

約数和(自身を含む): 101891328

約数和(自身を除く): 21900943

約数列:

[1, 5, 31, 41, 155, 205, 307, 1271, 1535, 1681, 6355, 8405, 9517, 12587, 47585, 52111, 62935, 260555, 390197, 516067, 1950985, 2580335, 15998077, 79990385]

約数ペア:

[(1, 79990385), (5, 15998077), (31, 2580335), (41, 1950985), (155, 516067), (205, 390197), (307, 260555), (1271, 62935), (1535, 52111), (1681, 47585), (6355, 12587), (8405, 9517)]