28626790

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{27793}}^1$

素因数の和:27903

約数の個数: 16

約数和(自身を含む): 52030368

約数和(自身を除く): 23403578

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 27793, 55586, 138965, 277930, 2862679, 5725358, 14313395, 28626790]

約数ペア:

[(1, 28626790), (2, 14313395), (5, 5725358), (10, 2862679), (103, 277930), (206, 138965), (515, 55586), (1030, 27793)]