17693855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 23721984

約数和(自身を除く): 6028129

約数列:

[1, 5, 17, 43, 47, 85, 103, 215, 235, 515, 731, 799, 1751, 2021, 3655, 3995, 4429, 4841, 8755, 10105, 22145, 24205, 34357, 75293, 82297, 171785, 208163, 376465, 411485, 1040815, 3538771, 17693855]

約数ペア:

[(1, 17693855), (5, 3538771), (17, 1040815), (43, 411485), (47, 376465), (85, 208163), (103, 171785), (215, 82297), (235, 75293), (515, 34357), (731, 24205), (799, 22145), (1751, 10105), (2021, 8755), (3655, 4841), (3995, 4429)]