7985978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3989}}^1$

素因数の和:4022

約数の個数: 32

約数和(自身を含む): 16087680

約数和(自身を除く): 8101702

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 3989, 7978, 27923, 43879, 51857, 55846, 87758, 103714, 307153, 362999, 570427, 614306, 725998, 1140854, 3992989, 7985978]

約数ペア:

[(1, 7985978), (2, 3992989), (7, 1140854), (11, 725998), (13, 614306), (14, 570427), (22, 362999), (26, 307153), (77, 103714), (91, 87758), (143, 55846), (154, 51857), (182, 43879), (286, 27923), (1001, 7978), (2002, 3989)]