1991231179

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{36251}}^1$

素因数の和:36343

約数の個数: 24

約数和(自身を含む): 2479636800

約数和(自身を除く): 488405621

約数列:

[1, 7, 19, 49, 59, 133, 413, 931, 1121, 2891, 7847, 36251, 54929, 253757, 688769, 1776299, 2138809, 4821383, 14971663, 33749681, 40637371, 104801641, 284461597, 1991231179]

約数ペア:

[(1, 1991231179), (7, 284461597), (19, 104801641), (49, 40637371), (59, 33749681), (133, 14971663), (413, 4821383), (931, 2138809), (1121, 1776299), (2891, 688769), (7847, 253757), (36251, 54929)]