641010245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{2113}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 843841152

約数和(自身を除く): 202830907

約数列:

[1, 5, 17, 43, 83, 85, 215, 415, 731, 1411, 2113, 3569, 3655, 7055, 10565, 17845, 35921, 60673, 90859, 175379, 179605, 303365, 454295, 876895, 1544603, 2981443, 7541297, 7723015, 14907215, 37706485, 128202049, 641010245]

約数ペア:

[(1, 641010245), (5, 128202049), (17, 37706485), (43, 14907215), (83, 7723015), (85, 7541297), (215, 2981443), (415, 1544603), (731, 876895), (1411, 454295), (2113, 303365), (3569, 179605), (3655, 175379), (7055, 90859), (10565, 60673), (17845, 35921)]