28692170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220709}}^1$

素因数の和:220729

約数の個数: 16

約数和(自身を含む): 55618920

約数和(自身を除く): 26926750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220709, 441418, 1103545, 2207090, 2869217, 5738434, 14346085, 28692170]

約数ペア:

[(1, 28692170), (2, 14346085), (5, 5738434), (10, 2869217), (13, 2207090), (26, 1103545), (65, 441418), (130, 220709)]