12940121

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:368

約数の個数: 16

約数和(自身を含む): 14227200

約数和(自身を除く): 1287079

約数列:

[1, 19, 37, 79, 233, 703, 1501, 2923, 4427, 8621, 18407, 55537, 163799, 349733, 681059, 12940121]

約数ペア:

[(1, 12940121), (19, 681059), (37, 349733), (79, 163799), (233, 55537), (703, 18407), (1501, 8621), (2923, 4427)]