28177408

素因数分解:

$2^{10}\times 7^1\times {\mathrm{3931}}^1$

素因数の和:3958

約数の個数: 44

約数和(自身を含む): 64390432

約数和(自身を除く): 36213024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 3931, 7168, 7862, 15724, 27517, 31448, 55034, 62896, 110068, 125792, 220136, 251584, 440272, 503168, 880544, 1006336, 1761088, 2012672, 3522176, 4025344, 7044352, 14088704, 28177408]

約数ペア:

[(1, 28177408), (2, 14088704), (4, 7044352), (7, 4025344), (8, 3522176), (14, 2012672), (16, 1761088), (28, 1006336), (32, 880544), (56, 503168), (64, 440272), (112, 251584), (128, 220136), (224, 125792), (256, 110068), (448, 62896), (512, 55034), (896, 31448), (1024, 27517), (1792, 15724), (3584, 7862), (3931, 7168)]