211070990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{55987}}^1$

素因数の和:56036

約数の個数: 32

約数和(自身を含む): 423269280

約数和(自身を除く): 212198290

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 55987, 111974, 279935, 559870, 727831, 1455662, 1623623, 3247246, 3639155, 7278310, 8118115, 16236230, 21107099, 42214198, 105535495, 211070990]

約数ペア:

[(1, 211070990), (2, 105535495), (5, 42214198), (10, 21107099), (13, 16236230), (26, 8118115), (29, 7278310), (58, 3639155), (65, 3247246), (130, 1623623), (145, 1455662), (290, 727831), (377, 559870), (754, 279935), (1885, 111974), (3770, 55987)]