2780206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9747

約数の個数: 16

約数和(自身を含む): 4899888

約数和(自身を除く): 2119682

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 9721, 19442, 106931, 126373, 213862, 252746, 1390103, 2780206]

約数ペア:

[(1, 2780206), (2, 1390103), (11, 252746), (13, 213862), (22, 126373), (26, 106931), (143, 19442), (286, 9721)]