28356988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1237}}^1$

素因数の和:1773

約数の個数: 24

約数和(自身を含む): 54283824

約数和(自身を除く): 25926836

約数列:

[1, 2, 4, 11, 22, 44, 521, 1042, 1237, 2084, 2474, 4948, 5731, 11462, 13607, 22924, 27214, 54428, 644477, 1288954, 2577908, 7089247, 14178494, 28356988]

約数ペア:

[(1, 28356988), (2, 14178494), (4, 7089247), (11, 2577908), (22, 1288954), (44, 644477), (521, 54428), (1042, 27214), (1237, 22924), (2084, 13607), (2474, 11462), (4948, 5731)]