201639977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{15137}}^1$

素因数の和:15328

約数の個数: 16

約数和(自身を含む): 252865152

約数和(自身を除く): 51225175

約数列:

[1, 7, 11, 77, 173, 1211, 1903, 13321, 15137, 105959, 166507, 1165549, 2618701, 18330907, 28805711, 201639977]

約数ペア:

[(1, 201639977), (7, 28805711), (11, 18330907), (77, 2618701), (173, 1165549), (1211, 166507), (1903, 105959), (13321, 15137)]