87789845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{617}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 124588800

約数和(自身を除く): 36798955

約数列:

[1, 5, 11, 13, 55, 65, 143, 199, 617, 715, 995, 2189, 2587, 3085, 6787, 8021, 10945, 12935, 28457, 33935, 40105, 88231, 122783, 142285, 441155, 613915, 1350613, 1596179, 6753065, 7980895, 17557969, 87789845]

約数ペア:

[(1, 87789845), (5, 17557969), (11, 7980895), (13, 6753065), (55, 1596179), (65, 1350613), (143, 613915), (199, 441155), (617, 142285), (715, 122783), (995, 88231), (2189, 40105), (2587, 33935), (3085, 28457), (6787, 12935), (8021, 10945)]