12738607

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^2$

素因数の和:187

約数の個数: 18

約数和(自身を含む): 15584424

約数和(自身を除く): 2845817

約数列:

[1, 7, 19, 71, 133, 361, 497, 1349, 2527, 5041, 9443, 25631, 35287, 95779, 179417, 670453, 1819801, 12738607]

約数ペア:

[(1, 12738607), (7, 1819801), (19, 670453), (71, 179417), (133, 95779), (361, 35287), (497, 25631), (1349, 9443), (2527, 5041)]