128568976

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{42071}}^1$

素因数の和:42270

約数の個数: 20

約数和(自身を含む): 250412544

約数和(自身を除く): 121843568

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 42071, 84142, 168284, 336568, 673136, 8035561, 16071122, 32142244, 64284488, 128568976]

約数ペア:

[(1, 128568976), (2, 64284488), (4, 32142244), (8, 16071122), (16, 8035561), (191, 673136), (382, 336568), (764, 168284), (1528, 84142), (3056, 42071)]