16663145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 22353408

約数和(自身を除く): 5690263

約数列:

[1, 5, 17, 43, 47, 85, 97, 215, 235, 485, 731, 799, 1649, 2021, 3655, 3995, 4171, 4559, 8245, 10105, 20855, 22795, 34357, 70907, 77503, 171785, 196037, 354535, 387515, 980185, 3332629, 16663145]

約数ペア:

[(1, 16663145), (5, 3332629), (17, 980185), (43, 387515), (47, 354535), (85, 196037), (97, 171785), (215, 77503), (235, 70907), (485, 34357), (731, 22795), (799, 20855), (1649, 10105), (2021, 8245), (3655, 4559), (3995, 4171)]