25640709

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 38983680

約数和(自身を除く): 13342971

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 563, 799, 893, 969, 1689, 2397, 2679, 9571, 10697, 15181, 26461, 28713, 32091, 45543, 79383, 181849, 449837, 502759, 545547, 1349511, 1508277, 8546903, 25640709]

約数ペア:

[(1, 25640709), (3, 8546903), (17, 1508277), (19, 1349511), (47, 545547), (51, 502759), (57, 449837), (141, 181849), (323, 79383), (563, 45543), (799, 32091), (893, 28713), (969, 26461), (1689, 15181), (2397, 10697), (2679, 9571)]