28928004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{661}}^1$

素因数の和:1196

約数の個数: 48

約数和(自身を含む): 77406336

約数和(自身を除く): 48478332

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 521, 661, 1042, 1322, 1563, 1983, 2084, 2644, 3126, 3647, 3966, 4627, 6252, 7294, 7932, 9254, 10941, 13881, 14588, 18508, 21882, 27762, 43764, 55524, 344381, 688762, 1033143, 1377524, 2066286, 2410667, 4132572, 4821334, 7232001, 9642668, 14464002, 28928004]

約数ペア:

[(1, 28928004), (2, 14464002), (3, 9642668), (4, 7232001), (6, 4821334), (7, 4132572), (12, 2410667), (14, 2066286), (21, 1377524), (28, 1033143), (42, 688762), (84, 344381), (521, 55524), (661, 43764), (1042, 27762), (1322, 21882), (1563, 18508), (1983, 14588), (2084, 13881), (2644, 10941), (3126, 9254), (3647, 7932), (3966, 7294), (4627, 6252)]