12720998

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{2731}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 20358864

約数和(自身を除く): 7637866

約数列:

[1, 2, 17, 34, 137, 274, 2329, 2731, 4658, 5462, 46427, 92854, 374147, 748294, 6360499, 12720998]

約数ペア:

[(1, 12720998), (2, 6360499), (17, 748294), (34, 374147), (137, 92854), (274, 46427), (2329, 5462), (2731, 4658)]