77991956

素因数分解:

$2^2\times 7^1\times {\mathrm{977}}^1\times {\mathrm{2851}}^1$

素因数の和:3839

約数の個数: 24

約数和(自身を含む): 156198336

約数和(自身を除く): 78206380

約数列:

[1, 2, 4, 7, 14, 28, 977, 1954, 2851, 3908, 5702, 6839, 11404, 13678, 19957, 27356, 39914, 79828, 2785427, 5570854, 11141708, 19497989, 38995978, 77991956]

約数ペア:

[(1, 77991956), (2, 38995978), (4, 19497989), (7, 11141708), (14, 5570854), (28, 2785427), (977, 79828), (1954, 39914), (2851, 27356), (3908, 19957), (5702, 13678), (6839, 11404)]