128520268

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{467}}^1\times {\mathrm{643}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 227852352

約数和(自身を除く): 99332084

約数列:

[1, 2, 4, 107, 214, 428, 467, 643, 934, 1286, 1868, 2572, 49969, 68801, 99938, 137602, 199876, 275204, 300281, 600562, 1201124, 32130067, 64260134, 128520268]

約数ペア:

[(1, 128520268), (2, 64260134), (4, 32130067), (107, 1201124), (214, 600562), (428, 300281), (467, 275204), (643, 199876), (934, 137602), (1286, 99938), (1868, 68801), (2572, 49969)]