13397735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 18332160

約数和(自身を除く): 4934425

約数列:

[1, 5, 13, 31, 61, 65, 109, 155, 305, 403, 545, 793, 1417, 1891, 2015, 3379, 3965, 6649, 7085, 9455, 16895, 24583, 33245, 43927, 86437, 122915, 206119, 219635, 432185, 1030595, 2679547, 13397735]

約数ペア:

[(1, 13397735), (5, 2679547), (13, 1030595), (31, 432185), (61, 219635), (65, 206119), (109, 122915), (155, 86437), (305, 43927), (403, 33245), (545, 24583), (793, 16895), (1417, 9455), (1891, 7085), (2015, 6649), (3379, 3965)]