213121252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2804227}}^1$

素因数の和:2804250

約数の個数: 12

約数和(自身を含む): 392591920

約数和(自身を除く): 179470668

約数列:

[1, 2, 4, 19, 38, 76, 2804227, 5608454, 11216908, 53280313, 106560626, 213121252]

約数ペア:

[(1, 213121252), (2, 106560626), (4, 53280313), (19, 11216908), (38, 5608454), (76, 2804227)]