161520238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 277780608

約数和(自身を除く): 116260370

約数列:

[1, 2, 11, 22, 41, 73, 82, 121, 146, 223, 242, 446, 451, 803, 902, 1606, 2453, 2993, 4906, 4961, 5986, 8833, 9143, 9922, 16279, 17666, 18286, 26983, 32558, 32923, 53966, 65846, 100573, 179069, 201146, 358138, 362153, 667439, 724306, 1106303, 1334878, 1969759, 2212606, 3939518, 7341829, 14683658, 80760119, 161520238]

約数ペア:

[(1, 161520238), (2, 80760119), (11, 14683658), (22, 7341829), (41, 3939518), (73, 2212606), (82, 1969759), (121, 1334878), (146, 1106303), (223, 724306), (242, 667439), (446, 362153), (451, 358138), (803, 201146), (902, 179069), (1606, 100573), (2453, 65846), (2993, 53966), (4906, 32923), (4961, 32558), (5986, 26983), (8833, 18286), (9143, 17666), (9922, 16279)]