201990974563

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{37818943}}^1$

素因数の和:37819066

約数の個数: 12

約数和(自身を含む): 237124778880

約数和(自身を除く): 35133804317

約数列:

[1, 7, 49, 109, 763, 5341, 37818943, 264732601, 1853128207, 4122264787, 28855853509, 201990974563]

約数ペア:

[(1, 201990974563), (7, 28855853509), (49, 4122264787), (109, 1853128207), (763, 264732601), (5341, 37818943)]