221957561

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{1019}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 270079680

約数和(自身を除く): 48122119

約数列:

[1, 7, 29, 37, 203, 259, 841, 1019, 1073, 5887, 7133, 7511, 29551, 31117, 37703, 206857, 217819, 263921, 856979, 1093387, 5998853, 7653709, 31708223, 221957561]

約数ペア:

[(1, 221957561), (7, 31708223), (29, 7653709), (37, 5998853), (203, 1093387), (259, 856979), (841, 263921), (1019, 217819), (1073, 206857), (5887, 37703), (7133, 31117), (7511, 29551)]