1280497757

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{25703}}^1$

素因数の和:26368

約数の個数: 16

約数和(自身を含む): 1598994432

約数和(自身を除く): 318496675

約数列:

[1, 7, 11, 77, 647, 4529, 7117, 25703, 49819, 179921, 282733, 1979131, 16629841, 116408887, 182928251, 1280497757]

約数ペア:

[(1, 1280497757), (7, 182928251), (11, 116408887), (77, 16629841), (647, 1979131), (4529, 282733), (7117, 179921), (25703, 49819)]