81280432

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{26597}}^1$

素因数の和:26796

約数の個数: 20

約数和(自身を含む): 158311296

約数和(自身を除く): 77030864

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 26597, 53194, 106388, 212776, 425552, 5080027, 10160054, 20320108, 40640216, 81280432]

約数ペア:

[(1, 81280432), (2, 40640216), (4, 20320108), (8, 10160054), (16, 5080027), (191, 425552), (382, 212776), (764, 106388), (1528, 53194), (3056, 26597)]