81247628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23981}}^1$

素因数の和:24014

約数の個数: 36

約数和(自身を含む): 178617936

約数和(自身を除く): 97370308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 23981, 47962, 95924, 167867, 263791, 335734, 527582, 671468, 1055164, 1846537, 2901701, 3693074, 5803402, 7386148, 11606804, 20311907, 40623814, 81247628]

約数ペア:

[(1, 81247628), (2, 40623814), (4, 20311907), (7, 11606804), (11, 7386148), (14, 5803402), (22, 3693074), (28, 2901701), (44, 1846537), (77, 1055164), (121, 671468), (154, 527582), (242, 335734), (308, 263791), (484, 167867), (847, 95924), (1694, 47962), (3388, 23981)]