28871216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4061

約数の個数: 40

約数和(自身を含む): 62527248

約数和(自身を除く): 33656032

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 4001, 7216, 8002, 16004, 32008, 44011, 64016, 88022, 164041, 176044, 328082, 352088, 656164, 704176, 1312328, 1804451, 2624656, 3608902, 7217804, 14435608, 28871216]

約数ペア:

[(1, 28871216), (2, 14435608), (4, 7217804), (8, 3608902), (11, 2624656), (16, 1804451), (22, 1312328), (41, 704176), (44, 656164), (82, 352088), (88, 328082), (164, 176044), (176, 164041), (328, 88022), (451, 64016), (656, 44011), (902, 32008), (1804, 16004), (3608, 8002), (4001, 7216)]