81547984

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7069}}^1$

素因数の和:7187

約数の個数: 40

約数和(自身を含む): 182349440

約数和(自身を除く): 100801456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 7069, 11536, 14138, 28276, 49483, 56552, 98966, 113104, 197932, 395864, 728107, 791728, 1456214, 2912428, 5096749, 5824856, 10193498, 11649712, 20386996, 40773992, 81547984]

約数ペア:

[(1, 81547984), (2, 40773992), (4, 20386996), (7, 11649712), (8, 10193498), (14, 5824856), (16, 5096749), (28, 2912428), (56, 1456214), (103, 791728), (112, 728107), (206, 395864), (412, 197932), (721, 113104), (824, 98966), (1442, 56552), (1648, 49483), (2884, 28276), (5768, 14138), (7069, 11536)]