131878318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1009}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 233140320

約数和(自身を除く): 101262002

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 457, 914, 1009, 2018, 5027, 5941, 10054, 11099, 11882, 13117, 22198, 26234, 65351, 130702, 144287, 288574, 461113, 922226, 5072243, 5994469, 10144486, 11988938, 65939159, 131878318]

約数ペア:

[(1, 131878318), (2, 65939159), (11, 11988938), (13, 10144486), (22, 5994469), (26, 5072243), (143, 922226), (286, 461113), (457, 288574), (914, 144287), (1009, 130702), (2018, 65351), (5027, 26234), (5941, 22198), (10054, 13117), (11099, 11882)]