28505008

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1831}}^1$

素因数の和:1985

約数の個数: 40

約数和(自身を含む): 63607040

約数和(自身を除く): 35102032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1831, 1946, 2224, 3662, 3892, 7324, 7784, 12817, 14648, 15568, 25634, 29296, 51268, 102536, 205072, 254509, 509018, 1018036, 1781563, 2036072, 3563126, 4072144, 7126252, 14252504, 28505008]

約数ペア:

[(1, 28505008), (2, 14252504), (4, 7126252), (7, 4072144), (8, 3563126), (14, 2036072), (16, 1781563), (28, 1018036), (56, 509018), (112, 254509), (139, 205072), (278, 102536), (556, 51268), (973, 29296), (1112, 25634), (1831, 15568), (1946, 14648), (2224, 12817), (3662, 7784), (3892, 7324)]