81568048

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{22861}}^1$

素因数の和:23092

約数の個数: 20

約数和(自身を含む): 158753728

約数和(自身を除く): 77185680

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 22861, 45722, 91444, 182888, 365776, 5098003, 10196006, 20392012, 40784024, 81568048]

約数ペア:

[(1, 81568048), (2, 40784024), (4, 20392012), (8, 10196006), (16, 5098003), (223, 365776), (446, 182888), (892, 91444), (1784, 45722), (3568, 22861)]