721000770008

素因数分解:

$2^3\times {\mathrm{330653}}^1\times {\mathrm{272567}}^1$

素因数の和:603226

約数の個数: 16

約数和(自身を含む): 1351885492080

約数和(自身を除く): 630884722072

約数列:

[1, 2, 4, 8, 272567, 330653, 545134, 661306, 1090268, 1322612, 2180536, 2645224, 90125096251, 180250192502, 360500385004, 721000770008]

約数ペア:

[(1, 721000770008), (2, 360500385004), (4, 180250192502), (8, 90125096251), (272567, 2645224), (330653, 2180536), (545134, 1322612), (661306, 1090268)]