28499812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{647723}}^1$

素因数の和:647738

約数の個数: 12

約数和(自身を含む): 54408816

約数和(自身を除く): 25909004

約数列:

[1, 2, 4, 11, 22, 44, 647723, 1295446, 2590892, 7124953, 14249906, 28499812]

約数ペア:

[(1, 28499812), (2, 14249906), (4, 7124953), (11, 2590892), (22, 1295446), (44, 647723)]