81951548

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47981}}^1$

素因数の和:48053

約数の個数: 24

約数和(自身を含む): 166593504

約数和(自身を除く): 84641956

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47981, 95962, 191924, 335867, 671734, 1343468, 2926841, 5853682, 11707364, 20487887, 40975774, 81951548]

約数ペア:

[(1, 81951548), (2, 40975774), (4, 20487887), (7, 11707364), (14, 5853682), (28, 2926841), (61, 1343468), (122, 671734), (244, 335867), (427, 191924), (854, 95962), (1708, 47981)]