257657841217

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{103}}^1\times {\mathrm{11369}}^1$

素因数の和:11582

約数の個数: 48

約数和(自身を含む): 322334588160

約数和(自身を除く): 64676746943

約数列:

[1, 7, 17, 43, 103, 119, 301, 721, 731, 1751, 1849, 4429, 5117, 11369, 12257, 12943, 31003, 31433, 75293, 79583, 190447, 193273, 220031, 488867, 527051, 1171007, 1333129, 1352911, 3237599, 3422069, 8197049, 8310739, 19907119, 21021281, 22663193, 50353301, 58175173, 139349833, 147148967, 352473107, 357361777, 856006117, 2165191943, 2501532439, 5992042819, 15156343601, 36808263031, 257657841217]

約数ペア:

[(1, 257657841217), (7, 36808263031), (17, 15156343601), (43, 5992042819), (103, 2501532439), (119, 2165191943), (301, 856006117), (721, 357361777), (731, 352473107), (1751, 147148967), (1849, 139349833), (4429, 58175173), (5117, 50353301), (11369, 22663193), (12257, 21021281), (12943, 19907119), (31003, 8310739), (31433, 8197049), (75293, 3422069), (79583, 3237599), (190447, 1352911), (193273, 1333129), (220031, 1171007), (488867, 527051)]