68736890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{49451}}^1$

素因数の和:49597

約数の個数: 16

約数和(自身を含む): 124619040

約数和(自身を除く): 55882150

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 49451, 98902, 247255, 494510, 6873689, 13747378, 34368445, 68736890]

約数ペア:

[(1, 68736890), (2, 34368445), (5, 13747378), (10, 6873689), (139, 494510), (278, 247255), (695, 98902), (1390, 49451)]