2047029985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{408997}}^1$

素因数の和:409033

約数の個数: 32

約数和(自身を含む): 3298159872

約数和(自身を除く): 1251129887

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 408997, 2044985, 2862979, 4498967, 5316961, 14314895, 22494835, 26584805, 31492769, 37218727, 58486571, 157463845, 186093635, 292432855, 409405997, 2047029985]

約数ペア:

[(1, 2047029985), (5, 409405997), (7, 292432855), (11, 186093635), (13, 157463845), (35, 58486571), (55, 37218727), (65, 31492769), (77, 26584805), (91, 22494835), (143, 14314895), (385, 5316961), (455, 4498967), (715, 2862979), (1001, 2044985), (5005, 408997)]