1047942721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{20533}}^1$

素因数の和:20880

約数の個数: 16

約数和(自身を含む): 1253723904

約数和(自身を除く): 205781183

約数列:

[1, 7, 23, 161, 317, 2219, 7291, 20533, 51037, 143731, 472259, 3305813, 6508961, 45562727, 149706103, 1047942721]

約数ペア:

[(1, 1047942721), (7, 149706103), (23, 45562727), (161, 6508961), (317, 3305813), (2219, 472259), (7291, 143731), (20533, 51037)]