81120578

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{6841}}^1$

素因数の和:6879

約数の個数: 36

約数和(自身を含む): 155607606

約数和(自身を除く): 74487028

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 242, 539, 847, 1078, 1694, 5929, 6841, 11858, 13682, 47887, 75251, 95774, 150502, 335209, 526757, 670418, 827761, 1053514, 1655522, 3687299, 5794327, 7374598, 11588654, 40560289, 81120578]

約数ペア:

[(1, 81120578), (2, 40560289), (7, 11588654), (11, 7374598), (14, 5794327), (22, 3687299), (49, 1655522), (77, 1053514), (98, 827761), (121, 670418), (154, 526757), (242, 335209), (539, 150502), (847, 95774), (1078, 75251), (1694, 47887), (5929, 13682), (6841, 11858)]