209566610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{4751}}^1$

素因数の和:5170

約数の個数: 32

約数和(自身を含む): 412625664

約数和(自身を除く): 203059054

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 401, 802, 2005, 4010, 4411, 4751, 8822, 9502, 22055, 23755, 44110, 47510, 52261, 104522, 261305, 522610, 1905151, 3810302, 9525755, 19051510, 20956661, 41913322, 104783305, 209566610]

約数ペア:

[(1, 209566610), (2, 104783305), (5, 41913322), (10, 20956661), (11, 19051510), (22, 9525755), (55, 3810302), (110, 1905151), (401, 522610), (802, 261305), (2005, 104522), (4010, 52261), (4411, 47510), (4751, 44110), (8822, 23755), (9502, 22055)]