31139030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239531}}^1$

素因数の和:239551

約数の個数: 16

約数和(自身を含む): 60362064

約数和(自身を除く): 29223034

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 239531, 479062, 1197655, 2395310, 3113903, 6227806, 15569515, 31139030]

約数ペア:

[(1, 31139030), (2, 15569515), (5, 6227806), (10, 3113903), (13, 2395310), (26, 1197655), (65, 479062), (130, 239531)]