201990974578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{258300479}}^1$

素因数の和:258300521

約数の個数: 16

約数和(自身を含む): 334757422080

約数和(自身を除く): 132766447502

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 258300479, 516600958, 4391108143, 5940911017, 8782216286, 11881822034, 100995487289, 201990974578]

約数ペア:

[(1, 201990974578), (2, 100995487289), (17, 11881822034), (23, 8782216286), (34, 5940911017), (46, 4391108143), (391, 516600958), (782, 258300479)]