209987999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{4651}}^1$

素因数の和:4838

約数の個数: 16

約数和(自身を含む): 237586944

約数和(自身を除く): 27598945

約数列:

[1, 13, 23, 151, 299, 1963, 3473, 4651, 45149, 60463, 106973, 702301, 1390649, 9129913, 16152923, 209987999]

約数ペア:

[(1, 209987999), (13, 16152923), (23, 9129913), (151, 1390649), (299, 702301), (1963, 106973), (3473, 60463), (4651, 45149)]