128977387

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{2903}}^1$

素因数の和:3498

約数の個数: 16

約数和(自身を含む): 161137152

約数和(自身を除く): 32159765

約数列:

[1, 7, 11, 77, 577, 2903, 4039, 6347, 20321, 31933, 44429, 223531, 1675031, 11725217, 18425341, 128977387]

約数ペア:

[(1, 128977387), (7, 18425341), (11, 11725217), (77, 1675031), (577, 223531), (2903, 44429), (4039, 31933), (6347, 20321)]