26985738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 35107062

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 131, 139, 247, 262, 278, 393, 417, 494, 741, 786, 834, 1482, 1703, 1807, 2489, 2641, 3406, 3614, 4978, 5109, 5282, 5421, 7467, 7923, 10218, 10842, 14934, 15846, 18209, 32357, 34333, 36418, 54627, 64714, 68666, 97071, 102999, 109254, 194142, 205998, 236717, 345971, 473434, 691942, 710151, 1037913, 1420302, 2075826, 4497623, 8995246, 13492869, 26985738]

約数ペア:

[(1, 26985738), (2, 13492869), (3, 8995246), (6, 4497623), (13, 2075826), (19, 1420302), (26, 1037913), (38, 710151), (39, 691942), (57, 473434), (78, 345971), (114, 236717), (131, 205998), (139, 194142), (247, 109254), (262, 102999), (278, 97071), (393, 68666), (417, 64714), (494, 54627), (741, 36418), (786, 34333), (834, 32357), (1482, 18209), (1703, 15846), (1807, 14934), (2489, 10842), (2641, 10218), (3406, 7923), (3614, 7467), (4978, 5421), (5109, 5282)]