81267764

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{4871}}^1$

素因数の和:5015

約数の個数: 24

約数和(自身を含む): 147056448

約数和(自身を除く): 65788684

約数列:

[1, 2, 4, 43, 86, 97, 172, 194, 388, 4171, 4871, 8342, 9742, 16684, 19484, 209453, 418906, 472487, 837812, 944974, 1889948, 20316941, 40633882, 81267764]

約数ペア:

[(1, 81267764), (2, 40633882), (4, 20316941), (43, 1889948), (86, 944974), (97, 837812), (172, 472487), (194, 418906), (388, 209453), (4171, 19484), (4871, 16684), (8342, 9742)]