81719008

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3761}}^1$

素因数の和:3875

約数の個数: 48

約数和(自身を含む): 185812704

約数和(自身を除く): 104093696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 1358, 1552, 2716, 3104, 3761, 5432, 7522, 10864, 15044, 21728, 26327, 30088, 52654, 60176, 105308, 120352, 210616, 364817, 421232, 729634, 842464, 1459268, 2553719, 2918536, 5107438, 5837072, 10214876, 11674144, 20429752, 40859504, 81719008]

約数ペア:

[(1, 81719008), (2, 40859504), (4, 20429752), (7, 11674144), (8, 10214876), (14, 5837072), (16, 5107438), (28, 2918536), (32, 2553719), (56, 1459268), (97, 842464), (112, 729634), (194, 421232), (224, 364817), (388, 210616), (679, 120352), (776, 105308), (1358, 60176), (1552, 52654), (2716, 30088), (3104, 26327), (3761, 21728), (5432, 15044), (7522, 10864)]