81037904

素因数分解:

$2^4\times {\mathrm{881}}^1\times {\mathrm{5749}}^1$

素因数の和:6638

約数の個数: 20

約数和(自身を含む): 157216500

約数和(自身を除く): 76178596

約数列:

[1, 2, 4, 8, 16, 881, 1762, 3524, 5749, 7048, 11498, 14096, 22996, 45992, 91984, 5064869, 10129738, 20259476, 40518952, 81037904]

約数ペア:

[(1, 81037904), (2, 40518952), (4, 20259476), (8, 10129738), (16, 5064869), (881, 91984), (1762, 45992), (3524, 22996), (5749, 14096), (7048, 11498)]