189995905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{22003}}^1$

素因数の和:22176

約数の個数: 16

約数和(自身を含む): 250317504

約数和(自身を除く): 60321599

約数列:

[1, 5, 11, 55, 157, 785, 1727, 8635, 22003, 110015, 242033, 1210165, 3454471, 17272355, 37999181, 189995905]

約数ペア:

[(1, 189995905), (5, 37999181), (11, 17272355), (55, 3454471), (157, 1210165), (785, 242033), (1727, 110015), (8635, 22003)]