2678823215

素因数分解:

$5^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1\times {\mathrm{3109}}^1$

素因数の和:3946

約数の個数: 16

約数和(自身を含む): 3231165600

約数和(自身を除く): 552342385

約数列:

[1, 5, 389, 443, 1945, 2215, 3109, 15545, 172327, 861635, 1209401, 1377287, 6047005, 6886435, 535764643, 2678823215]

約数ペア:

[(1, 2678823215), (5, 535764643), (389, 6886435), (443, 6047005), (1945, 1377287), (2215, 1209401), (3109, 861635), (15545, 172327)]