139910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:847

約数の個数: 16

約数和(自身を含む): 266976

約数和(自身を除く): 127066

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 823, 1646, 4115, 8230, 13991, 27982, 69955, 139910]

約数ペア:

[(1, 139910), (2, 69955), (5, 27982), (10, 13991), (17, 8230), (34, 4115), (85, 1646), (170, 823)]