211702988

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{142657}}^1$

素因数の和:142721

約数の個数: 24

約数和(自身を含む): 431397792

約数和(自身を除く): 219694804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 142657, 285314, 570628, 998599, 1997198, 3994396, 7560821, 15121642, 30243284, 52925747, 105851494, 211702988]

約数ペア:

[(1, 211702988), (2, 105851494), (4, 52925747), (7, 30243284), (14, 15121642), (28, 7560821), (53, 3994396), (106, 1997198), (212, 998599), (371, 570628), (742, 285314), (1484, 142657)]