890287105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{109037}}^1$

素因数の和:109136

約数の個数: 16

約数和(自身を含む): 1130505984

約数和(自身を除く): 240218879

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 109037, 545185, 2507851, 7741627, 12539255, 38708135, 178057421, 890287105]

約数ペア:

[(1, 890287105), (5, 178057421), (23, 38708135), (71, 12539255), (115, 7741627), (355, 2507851), (1633, 545185), (8165, 109037)]