28178764

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 50325408

約数和(自身を除く): 22146644

約数列:

[1, 2, 4, 71, 142, 284, 313, 317, 626, 634, 1252, 1268, 22223, 22507, 44446, 45014, 88892, 90028, 99221, 198442, 396884, 7044691, 14089382, 28178764]

約数ペア:

[(1, 28178764), (2, 14089382), (4, 7044691), (71, 396884), (142, 198442), (284, 99221), (313, 90028), (317, 88892), (626, 45014), (634, 44446), (1252, 22507), (1268, 22223)]