215365808

素因数分解:

$2^4\times 7^1\times {\mathrm{1922909}}^1$

素因数の和:1922924

約数の個数: 20

約数和(自身を含む): 476881680

約数和(自身を除く): 261515872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1922909, 3845818, 7691636, 13460363, 15383272, 26920726, 30766544, 53841452, 107682904, 215365808]

約数ペア:

[(1, 215365808), (2, 107682904), (4, 53841452), (7, 30766544), (8, 26920726), (14, 15383272), (16, 13460363), (28, 7691636), (56, 3845818), (112, 1922909)]