77881664

素因数分解:

$2^6\times 7^1\times {\mathrm{263}}^1\times {\mathrm{661}}^1$

素因数の和:943

約数の個数: 56

約数和(自身を含む): 177564288

約数和(自身を除く): 99682624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 263, 448, 526, 661, 1052, 1322, 1841, 2104, 2644, 3682, 4208, 4627, 5288, 7364, 8416, 9254, 10576, 14728, 16832, 18508, 21152, 29456, 37016, 42304, 58912, 74032, 117824, 148064, 173843, 296128, 347686, 695372, 1216901, 1390744, 2433802, 2781488, 4867604, 5562976, 9735208, 11125952, 19470416, 38940832, 77881664]

約数ペア:

[(1, 77881664), (2, 38940832), (4, 19470416), (7, 11125952), (8, 9735208), (14, 5562976), (16, 4867604), (28, 2781488), (32, 2433802), (56, 1390744), (64, 1216901), (112, 695372), (224, 347686), (263, 296128), (448, 173843), (526, 148064), (661, 117824), (1052, 74032), (1322, 58912), (1841, 42304), (2104, 37016), (2644, 29456), (3682, 21152), (4208, 18508), (4627, 16832), (5288, 14728), (7364, 10576), (8416, 9254)]