7857265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1109}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 10256400

約数和(自身を除く): 2399135

約数列:

[1, 5, 13, 65, 109, 545, 1109, 1417, 5545, 7085, 14417, 72085, 120881, 604405, 1571453, 7857265]

約数ペア:

[(1, 7857265), (5, 1571453), (13, 604405), (65, 120881), (109, 72085), (545, 14417), (1109, 7085), (1417, 5545)]