207639905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{87797}}^1$

素因数の和:87856

約数の個数: 16

約数和(自身を含む): 278144064

約数和(自身を除く): 70504159

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 87797, 438985, 965767, 3775271, 4828835, 18876355, 41527981, 207639905]

約数ペア:

[(1, 207639905), (5, 41527981), (11, 18876355), (43, 4828835), (55, 3775271), (215, 965767), (473, 438985), (2365, 87797)]