77939905

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 95578560

約数和(自身を除く): 17638655

約数列:

[1, 5, 83, 109, 415, 545, 1723, 8615, 9047, 45235, 143009, 187807, 715045, 939035, 15587981, 77939905]

約数ペア:

[(1, 77939905), (5, 15587981), (83, 939035), (109, 715045), (415, 187807), (545, 143009), (1723, 45235), (8615, 9047)]