31190786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{13007}}^1$

素因数の和:13129

約数の個数: 16

約数和(自身を含む): 51511680

約数和(自身を除く): 20320894

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 13007, 26014, 143077, 286154, 1417763, 2835526, 15595393, 31190786]

約数ペア:

[(1, 31190786), (2, 15595393), (11, 2835526), (22, 1417763), (109, 286154), (218, 143077), (1199, 26014), (2398, 13007)]