261521017

素因数分解:

${\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1093}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 278523648

約数和(自身を除く): 17002631

約数列:

[1, 23, 101, 103, 1093, 2323, 2369, 10403, 25139, 110393, 112579, 239269, 2539039, 2589317, 11370479, 261521017]

約数ペア:

[(1, 261521017), (23, 11370479), (101, 2589317), (103, 2539039), (1093, 239269), (2323, 112579), (2369, 110393), (10403, 25139)]