81231964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1846181}}^1$

素因数の和:1846196

約数の個数: 12

約数和(自身を含む): 155079288

約数和(自身を除く): 73847324

約数列:

[1, 2, 4, 11, 22, 44, 1846181, 3692362, 7384724, 20307991, 40615982, 81231964]

約数ペア:

[(1, 81231964), (2, 40615982), (4, 20307991), (11, 7384724), (22, 3692362), (44, 1846181)]