128300221

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{773}}^1$

素因数の和:1092

約数の個数: 16

約数和(自身を含む): 148756608

約数和(自身を除く): 20456387

約数列:

[1, 7, 131, 181, 773, 917, 1267, 5411, 23711, 101263, 139913, 165977, 708841, 979391, 18328603, 128300221]

約数ペア:

[(1, 128300221), (7, 18328603), (131, 979391), (181, 708841), (773, 165977), (917, 139913), (1267, 101263), (5411, 23711)]