28356490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 53142480

約数和(自身を除く): 24785990

約数列:

[1, 2, 5, 10, 29, 58, 145, 277, 290, 353, 554, 706, 1385, 1765, 2770, 3530, 8033, 10237, 16066, 20474, 40165, 51185, 80330, 97781, 102370, 195562, 488905, 977810, 2835649, 5671298, 14178245, 28356490]

約数ペア:

[(1, 28356490), (2, 14178245), (5, 5671298), (10, 2835649), (29, 977810), (58, 488905), (145, 195562), (277, 102370), (290, 97781), (353, 80330), (554, 51185), (706, 40165), (1385, 20474), (1765, 16066), (2770, 10237), (3530, 8033)]