31420994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{13103}}^1$

素因数の和:13225

約数の個数: 16

約数和(自身を含む): 51891840

約数和(自身を除く): 20470846

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 13103, 26206, 144133, 288266, 1428227, 2856454, 15710497, 31420994]

約数ペア:

[(1, 31420994), (2, 15710497), (11, 2856454), (22, 1428227), (109, 288266), (218, 144133), (1199, 26206), (2398, 13103)]