211648619

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{733}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 276218880

約数和(自身を除く): 64570261

約数列:

[1, 7, 13, 19, 91, 133, 167, 247, 733, 1169, 1729, 2171, 3173, 5131, 9529, 13927, 15197, 22211, 41249, 66703, 97489, 122411, 181051, 288743, 856877, 1267357, 1591343, 2325809, 11139401, 16280663, 30235517, 211648619]

約数ペア:

[(1, 211648619), (7, 30235517), (13, 16280663), (19, 11139401), (91, 2325809), (133, 1591343), (167, 1267357), (247, 856877), (733, 288743), (1169, 181051), (1729, 122411), (2171, 97489), (3173, 66703), (5131, 41249), (9529, 22211), (13927, 15197)]