12387221

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8467}}^1$

素因数の和:8504

約数の個数: 16

約数和(自身を含む): 16258560

約数和(自身を除く): 3871339

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 8467, 59269, 93137, 160873, 651959, 1126111, 1769603, 12387221]

約数ペア:

[(1, 12387221), (7, 1769603), (11, 1126111), (19, 651959), (77, 160873), (133, 93137), (209, 59269), (1463, 8467)]