87434815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{3121}}^1$

素因数の和:3570

約数の個数: 16

約数和(自身を含む): 113291136

約数和(自身を除く): 25856321

約数列:

[1, 5, 13, 65, 431, 2155, 3121, 5603, 15605, 28015, 40573, 202865, 1345151, 6725755, 17486963, 87434815]

約数ペア:

[(1, 87434815), (5, 17486963), (13, 6725755), (65, 1345151), (431, 202865), (2155, 40573), (3121, 28015), (5603, 15605)]