81653824

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1879}}^1$

素因数の和:1995

約数の個数: 56

約数和(自身を含む): 187187840

約数和(自身を除く): 105534016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 679, 776, 1358, 1552, 1879, 2716, 3104, 3758, 5432, 6208, 7516, 10864, 13153, 15032, 21728, 26306, 30064, 43456, 52612, 60128, 105224, 120256, 182263, 210448, 364526, 420896, 729052, 841792, 1275841, 1458104, 2551682, 2916208, 5103364, 5832416, 10206728, 11664832, 20413456, 40826912, 81653824]

約数ペア:

[(1, 81653824), (2, 40826912), (4, 20413456), (7, 11664832), (8, 10206728), (14, 5832416), (16, 5103364), (28, 2916208), (32, 2551682), (56, 1458104), (64, 1275841), (97, 841792), (112, 729052), (194, 420896), (224, 364526), (388, 210448), (448, 182263), (679, 120256), (776, 105224), (1358, 60128), (1552, 52612), (1879, 43456), (2716, 30064), (3104, 26306), (3758, 21728), (5432, 15032), (6208, 13153), (7516, 10864)]