31439926

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21803}}^1$

素因数の和:21915

約数の個数: 16

約数和(自身を含む): 54422784

約数和(自身を除く): 22982858

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 21803, 43606, 152621, 305242, 2245709, 4491418, 15719963, 31439926]

約数ペア:

[(1, 31439926), (2, 15719963), (7, 4491418), (14, 2245709), (103, 305242), (206, 152621), (721, 43606), (1442, 21803)]