78801986

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{7691}}^1$

素因数の和:7849

約数の個数: 16

約数和(自身を含む): 121841280

約数和(自身を除く): 43039294

約数列:

[1, 2, 47, 94, 109, 218, 5123, 7691, 10246, 15382, 361477, 722954, 838319, 1676638, 39400993, 78801986]

約数ペア:

[(1, 78801986), (2, 39400993), (47, 1676638), (94, 838319), (109, 722954), (218, 361477), (5123, 15382), (7691, 10246)]