1287339922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{536839}}^1$

素因数の和:536961

約数の個数: 16

約数和(自身を含む): 2125886400

約数和(自身を除く): 838546478

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 536839, 1073678, 5905229, 11810458, 58515451, 117030902, 643669961, 1287339922]

約数ペア:

[(1, 1287339922), (2, 643669961), (11, 117030902), (22, 58515451), (109, 11810458), (218, 5905229), (1199, 1073678), (2398, 536839)]