28189756

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7243}}^1$

素因数の和:7393

約数の個数: 24

約数和(自身を含む): 56792960

約数和(自身を除く): 28603204

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 7243, 14486, 28972, 50701, 101402, 202804, 1006777, 2013554, 4027108, 7047439, 14094878, 28189756]

約数ペア:

[(1, 28189756), (2, 14094878), (4, 7047439), (7, 4027108), (14, 2013554), (28, 1006777), (139, 202804), (278, 101402), (556, 50701), (973, 28972), (1946, 14486), (3892, 7243)]