991938818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{27077}}^1$

素因数の和:28501

約数の個数: 16

約数和(自身を含む): 1603559160

約数和(自身を除く): 611620342

約数列:

[1, 2, 13, 26, 1409, 2818, 18317, 27077, 36634, 54154, 352001, 704002, 38151493, 76302986, 495969409, 991938818]

約数ペア:

[(1, 991938818), (2, 495969409), (13, 76302986), (26, 38151493), (1409, 704002), (2818, 352001), (18317, 54154), (27077, 36634)]