81770015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{977}}^1$

素因数の和:1882

約数の個数: 16

約数和(自身を含む): 103511520

約数和(自身を除く): 21741505

約数列:

[1, 5, 19, 95, 881, 977, 4405, 4885, 16739, 18563, 83695, 92815, 860737, 4303685, 16354003, 81770015]

約数ペア:

[(1, 81770015), (5, 16354003), (19, 4303685), (95, 860737), (881, 92815), (977, 83695), (4405, 18563), (4885, 16739)]