81416384

素因数分解:

$2^6\times 7^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1$

素因数の和:973

約数の個数: 56

約数和(自身を含む): 185611008

約数和(自身を除く): 104194624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 263, 448, 526, 691, 1052, 1382, 1841, 2104, 2764, 3682, 4208, 4837, 5528, 7364, 8416, 9674, 11056, 14728, 16832, 19348, 22112, 29456, 38696, 44224, 58912, 77392, 117824, 154784, 181733, 309568, 363466, 726932, 1272131, 1453864, 2544262, 2907728, 5088524, 5815456, 10177048, 11630912, 20354096, 40708192, 81416384]

約数ペア:

[(1, 81416384), (2, 40708192), (4, 20354096), (7, 11630912), (8, 10177048), (14, 5815456), (16, 5088524), (28, 2907728), (32, 2544262), (56, 1453864), (64, 1272131), (112, 726932), (224, 363466), (263, 309568), (448, 181733), (526, 154784), (691, 117824), (1052, 77392), (1382, 58912), (1841, 44224), (2104, 38696), (2764, 29456), (3682, 22112), (4208, 19348), (4837, 16832), (5528, 14728), (7364, 11056), (8416, 9674)]