289311407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1427}}^1\times {\mathrm{2633}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 361089792

約数和(自身を除く): 71778385

約数列:

[1, 7, 11, 77, 1427, 2633, 9989, 15697, 18431, 28963, 109879, 202741, 3757291, 26301037, 41330201, 289311407]

約数ペア:

[(1, 289311407), (7, 41330201), (11, 26301037), (77, 3757291), (1427, 202741), (2633, 109879), (9989, 28963), (15697, 18431)]