28390936

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2801}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 61195680

約数和(自身を除く): 32804744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2534, 2801, 5068, 5602, 10136, 11204, 19607, 22408, 39214, 78428, 156856, 506981, 1013962, 2027924, 3548867, 4055848, 7097734, 14195468, 28390936]

約数ペア:

[(1, 28390936), (2, 14195468), (4, 7097734), (7, 4055848), (8, 3548867), (14, 2027924), (28, 1013962), (56, 506981), (181, 156856), (362, 78428), (724, 39214), (1267, 22408), (1448, 19607), (2534, 11204), (2801, 10136), (5068, 5602)]