219091145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{3067}}^1$

素因数の和:3249

約数の個数: 32

約数和(自身を含む): 325747968

約数和(自身を除く): 106656823

約数列:

[1, 5, 7, 13, 35, 65, 91, 157, 455, 785, 1099, 2041, 3067, 5495, 10205, 14287, 15335, 21469, 39871, 71435, 107345, 199355, 279097, 481519, 1395485, 2407595, 3370633, 6259747, 16853165, 31298735, 43818229, 219091145]

約数ペア:

[(1, 219091145), (5, 43818229), (7, 31298735), (13, 16853165), (35, 6259747), (65, 3370633), (91, 2407595), (157, 1395485), (455, 481519), (785, 279097), (1099, 199355), (2041, 107345), (3067, 71435), (5495, 39871), (10205, 21469), (14287, 15335)]