8380721999

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 9822339072

約数和(自身を除く): 1441617073

約数列:

[1, 13, 17, 103, 127, 169, 221, 223, 1339, 1651, 1751, 2159, 2873, 2899, 3791, 13081, 17407, 21463, 22763, 22969, 28067, 28321, 37687, 49283, 170053, 222377, 295919, 298597, 364871, 368173, 390473, 481457, 640679, 2210689, 2890901, 2917063, 3881761, 4786249, 5076149, 6258941, 37581713, 37921819, 49590071, 65989937, 81366233, 492983647, 644670923, 8380721999]

約数ペア:

[(1, 8380721999), (13, 644670923), (17, 492983647), (103, 81366233), (127, 65989937), (169, 49590071), (221, 37921819), (223, 37581713), (1339, 6258941), (1651, 5076149), (1751, 4786249), (2159, 3881761), (2873, 2917063), (2899, 2890901), (3791, 2210689), (13081, 640679), (17407, 481457), (21463, 390473), (22763, 368173), (22969, 364871), (28067, 298597), (28321, 295919), (37687, 222377), (49283, 170053)]