81030155

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{1979}}^1$

素因数の和:2434

約数の個数: 16

約数和(自身を含む): 102643200

約数和(自身を除く): 21613045

約数列:

[1, 5, 19, 95, 431, 1979, 2155, 8189, 9895, 37601, 40945, 188005, 852949, 4264745, 16206031, 81030155]

約数ペア:

[(1, 81030155), (5, 16206031), (19, 4264745), (95, 852949), (431, 188005), (1979, 40945), (2155, 37601), (8189, 9895)]