28680148

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7369}}^1$

素因数の和:7519

約数の個数: 24

約数和(自身を含む): 57780800

約数和(自身を除く): 29100652

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 7369, 14738, 29476, 51583, 103166, 206332, 1024291, 2048582, 4097164, 7170037, 14340074, 28680148]

約数ペア:

[(1, 28680148), (2, 14340074), (4, 7170037), (7, 4097164), (14, 2048582), (28, 1024291), (139, 206332), (278, 103166), (556, 51583), (973, 29476), (1946, 14738), (3892, 7369)]