28906415

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{743}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 35997696

約数和(自身を除く): 7091281

約数列:

[1, 5, 31, 155, 251, 743, 1255, 3715, 7781, 23033, 38905, 115165, 186493, 932465, 5781283, 28906415]

約数ペア:

[(1, 28906415), (5, 5781283), (31, 932465), (155, 186493), (251, 115165), (743, 38905), (1255, 23033), (3715, 7781)]