28178804528

素因数分解:

$2^4\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1317259}}^1$

素因数の和:1317465

約数の個数: 40

約数和(自身を含む): 62722652160

約数和(自身を除く): 34543847632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191, 382, 764, 1337, 1528, 2674, 3056, 5348, 10696, 21392, 1317259, 2634518, 5269036, 9220813, 10538072, 18441626, 21076144, 36883252, 73766504, 147533008, 251596469, 503192938, 1006385876, 1761175283, 2012771752, 3522350566, 4025543504, 7044701132, 14089402264, 28178804528]

約数ペア:

[(1, 28178804528), (2, 14089402264), (4, 7044701132), (7, 4025543504), (8, 3522350566), (14, 2012771752), (16, 1761175283), (28, 1006385876), (56, 503192938), (112, 251596469), (191, 147533008), (382, 73766504), (764, 36883252), (1337, 21076144), (1528, 18441626), (2674, 10538072), (3056, 9220813), (5348, 5269036), (10696, 2634518), (21392, 1317259)]