661036721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{39317}}^1$

素因数の和:39400

約数の個数: 16

約数和(自身を含む): 747356544

約数和(自身を除く): 86319823

約数列:

[1, 17, 23, 43, 391, 731, 989, 16813, 39317, 668389, 904291, 1690631, 15372947, 28740727, 38884513, 661036721]

約数ペア:

[(1, 661036721), (17, 38884513), (23, 28740727), (43, 15372947), (391, 1690631), (731, 904291), (989, 668389), (16813, 39317)]