81282008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{247811}}^1$

素因数の和:247858

約数の個数: 16

約数和(自身を含む): 156121560

約数和(自身を除く): 74839552

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 247811, 495622, 991244, 1982488, 10160251, 20320502, 40641004, 81282008]

約数ペア:

[(1, 81282008), (2, 40641004), (4, 20320502), (8, 10160251), (41, 1982488), (82, 991244), (164, 495622), (328, 247811)]