27881026

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{1321}}^1$

素因数の和:1557

約数の個数: 16

約数和(自身を含む): 42785208

約数和(自身を除く): 14904182

約数列:

[1, 2, 61, 122, 173, 346, 1321, 2642, 10553, 21106, 80581, 161162, 228533, 457066, 13940513, 27881026]

約数ペア:

[(1, 27881026), (2, 13940513), (61, 457066), (122, 228533), (173, 161162), (346, 80581), (1321, 21106), (2642, 10553)]