211568

素因数分解:

$2^4\times 7^1\times {\mathrm{1889}}^1$

素因数の和:1904

約数の個数: 20

約数和(自身を含む): 468720

約数和(自身を除く): 257152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1889, 3778, 7556, 13223, 15112, 26446, 30224, 52892, 105784, 211568]

約数ペア:

[(1, 211568), (2, 105784), (4, 52892), (7, 30224), (8, 26446), (14, 15112), (16, 13223), (28, 7556), (56, 3778), (112, 1889)]