31691166

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 71500800

約数和(自身を除く): 39809634

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 79, 111, 139, 158, 222, 237, 278, 417, 474, 481, 834, 962, 1027, 1443, 1807, 2054, 2886, 2923, 3081, 3614, 5143, 5421, 5846, 6162, 8769, 10286, 10842, 10981, 15429, 17538, 21962, 30858, 32943, 37999, 65886, 66859, 75998, 113997, 133718, 142753, 200577, 227994, 285506, 401154, 406297, 428259, 812594, 856518, 1218891, 2437782, 5281861, 10563722, 15845583, 31691166]

約数ペア:

[(1, 31691166), (2, 15845583), (3, 10563722), (6, 5281861), (13, 2437782), (26, 1218891), (37, 856518), (39, 812594), (74, 428259), (78, 406297), (79, 401154), (111, 285506), (139, 227994), (158, 200577), (222, 142753), (237, 133718), (278, 113997), (417, 75998), (474, 66859), (481, 65886), (834, 37999), (962, 32943), (1027, 30858), (1443, 21962), (1807, 17538), (2054, 15429), (2886, 10981), (2923, 10842), (3081, 10286), (3614, 8769), (5143, 6162), (5421, 5846)]