221517815

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{5783}}^1$

素因数の和:5998

約数の個数: 16

約数和(自身を含む): 273189888

約数和(自身を除く): 51672073

約数列:

[1, 5, 47, 163, 235, 815, 5783, 7661, 28915, 38305, 271801, 942629, 1359005, 4713145, 44303563, 221517815]

約数ペア:

[(1, 221517815), (5, 44303563), (47, 4713145), (163, 1359005), (235, 942629), (815, 271801), (5783, 38305), (7661, 28915)]