81355142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 136183680

約数和(自身を除く): 54828538

約数列:

[1, 2, 11, 22, 73, 146, 179, 283, 358, 566, 803, 1606, 1969, 3113, 3938, 6226, 13067, 20659, 26134, 41318, 50657, 101314, 143737, 227249, 287474, 454498, 557227, 1114454, 3697961, 7395922, 40677571, 81355142]

約数ペア:

[(1, 81355142), (2, 40677571), (11, 7395922), (22, 3697961), (73, 1114454), (146, 557227), (179, 454498), (283, 287474), (358, 227249), (566, 143737), (803, 101314), (1606, 50657), (1969, 41318), (3113, 26134), (3938, 20659), (6226, 13067)]