4078816

素因数分解:

$2^5\times 7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 9313920

約数和(自身を除く): 5235104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 131, 139, 224, 262, 278, 524, 556, 917, 973, 1048, 1112, 1834, 1946, 2096, 2224, 3668, 3892, 4192, 4448, 7336, 7784, 14672, 15568, 18209, 29344, 31136, 36418, 72836, 127463, 145672, 254926, 291344, 509852, 582688, 1019704, 2039408, 4078816]

約数ペア:

[(1, 4078816), (2, 2039408), (4, 1019704), (7, 582688), (8, 509852), (14, 291344), (16, 254926), (28, 145672), (32, 127463), (56, 72836), (112, 36418), (131, 31136), (139, 29344), (224, 18209), (262, 15568), (278, 14672), (524, 7784), (556, 7336), (917, 4448), (973, 4192), (1048, 3892), (1112, 3668), (1834, 2224), (1946, 2096)]