31989815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{44741}}^1$

素因数の和:44770

約数の個数: 16

約数和(自身を含む): 45099936

約数和(自身を除く): 13110121

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 44741, 223705, 492151, 581633, 2460755, 2908165, 6397963, 31989815]

約数ペア:

[(1, 31989815), (5, 6397963), (11, 2908165), (13, 2460755), (55, 581633), (65, 492151), (143, 223705), (715, 44741)]