81966227

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{1637}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 98122752

約数和(自身を除く): 16156525

約数列:

[1, 7, 23, 161, 311, 1637, 2177, 7153, 11459, 37651, 50071, 263557, 509107, 3563749, 11709461, 81966227]

約数ペア:

[(1, 81966227), (7, 11709461), (23, 3563749), (161, 509107), (311, 263557), (1637, 50071), (2177, 37651), (7153, 11459)]