28505148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{773}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 76285440

約数和(自身を除く): 47780292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 439, 773, 878, 1317, 1546, 1756, 2319, 2634, 3073, 3092, 4638, 5268, 5411, 6146, 9219, 9276, 10822, 12292, 16233, 18438, 21644, 32466, 36876, 64932, 339347, 678694, 1018041, 1357388, 2036082, 2375429, 4072164, 4750858, 7126287, 9501716, 14252574, 28505148]

約数ペア:

[(1, 28505148), (2, 14252574), (3, 9501716), (4, 7126287), (6, 4750858), (7, 4072164), (12, 2375429), (14, 2036082), (21, 1357388), (28, 1018041), (42, 678694), (84, 339347), (439, 64932), (773, 36876), (878, 32466), (1317, 21644), (1546, 18438), (1756, 16233), (2319, 12292), (2634, 10822), (3073, 9276), (3092, 9219), (4638, 6146), (5268, 5411)]