219946474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{78721}}^1$

素因数の和:78861

約数の個数: 16

約数和(自身を含む): 362750976

約数和(自身を除く): 142804502

約数列:

[1, 2, 11, 22, 127, 254, 1397, 2794, 78721, 157442, 865931, 1731862, 9997567, 19995134, 109973237, 219946474]

約数ペア:

[(1, 219946474), (2, 109973237), (11, 19995134), (22, 9997567), (127, 1731862), (254, 865931), (1397, 157442), (2794, 78721)]