257568190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137737}}^1$

素因数の和:137772

約数の個数: 32

約数和(自身を含む): 535525344

約数和(自身を除く): 277957154

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 137737, 275474, 688685, 1377370, 1515107, 2341529, 3030214, 4683058, 7575535, 11707645, 15151070, 23415290, 25756819, 51513638, 128784095, 257568190]

約数ペア:

[(1, 257568190), (2, 128784095), (5, 51513638), (10, 25756819), (11, 23415290), (17, 15151070), (22, 11707645), (34, 7575535), (55, 4683058), (85, 3030214), (110, 2341529), (170, 1515107), (187, 1377370), (374, 688685), (935, 275474), (1870, 137737)]