81608536

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{143677}}^1$

素因数の和:143754

約数の個数: 16

約数和(自身を含む): 155172240

約数和(自身を除く): 73563704

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 143677, 287354, 574708, 1149416, 10201067, 20402134, 40804268, 81608536]

約数ペア:

[(1, 81608536), (2, 40804268), (4, 20402134), (8, 10201067), (71, 1149416), (142, 574708), (284, 287354), (568, 143677)]