77721982

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{4649}}^1$

素因数の和:5307

約数の個数: 16

約数和(自身を含む): 125773200

約数和(自身を除く): 48051218

約数列:

[1, 2, 13, 26, 643, 1286, 4649, 8359, 9298, 16718, 60437, 120874, 2989307, 5978614, 38860991, 77721982]

約数ペア:

[(1, 77721982), (2, 38860991), (13, 5978614), (26, 2989307), (643, 120874), (1286, 60437), (4649, 16718), (8359, 9298)]