221640167

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{23333}}^1$

素因数の和:23422

約数の個数: 16

約数和(自身を含む): 268807680

約数和(自身を除く): 47167513

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 23333, 163331, 536659, 1376647, 3756613, 9636529, 31662881, 221640167]

約数ペア:

[(1, 221640167), (7, 31662881), (23, 9636529), (59, 3756613), (161, 1376647), (413, 536659), (1357, 163331), (9499, 23333)]