81639706

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1\times {\mathrm{1061}}^1$

素因数の和:1629

約数の個数: 16

約数和(自身を含む): 124381440

約数和(自身を除く): 42741734

約数列:

[1, 2, 79, 158, 487, 974, 1061, 2122, 38473, 76946, 83819, 167638, 516707, 1033414, 40819853, 81639706]

約数ペア:

[(1, 81639706), (2, 40819853), (79, 1033414), (158, 516707), (487, 167638), (974, 83819), (1061, 76946), (2122, 38473)]