81420008

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{151903}}^1$

素因数の和:151976

約数の個数: 16

約数和(自身を含む): 154942080

約数和(自身を除く): 73522072

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 151903, 303806, 607612, 1215224, 10177501, 20355002, 40710004, 81420008]

約数ペア:

[(1, 81420008), (2, 40710004), (4, 20355002), (8, 10177501), (67, 1215224), (134, 607612), (268, 303806), (536, 151903)]