81608816

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{52583}}^1$

素因数の和:52688

約数の個数: 20

約数和(自身を含む): 159750192

約数和(自身を除く): 78141376

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 52583, 105166, 210332, 420664, 841328, 5100551, 10201102, 20402204, 40804408, 81608816]

約数ペア:

[(1, 81608816), (2, 40804408), (4, 20402204), (8, 10201102), (16, 5100551), (97, 841328), (194, 420664), (388, 210332), (776, 105166), (1552, 52583)]