199597937

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1213}}^1\times {\mathrm{2137}}^1$

素因数の和:3368

約数の個数: 16

約数和(自身を含む): 249171072

約数和(自身を除く): 49573135

約数列:

[1, 7, 11, 77, 1213, 2137, 8491, 13343, 14959, 23507, 93401, 164549, 2592181, 18145267, 28513991, 199597937]

約数ペア:

[(1, 199597937), (7, 28513991), (11, 18145267), (77, 2592181), (1213, 164549), (2137, 93401), (8491, 23507), (13343, 14959)]