28430525

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 36828000

約数和(自身を除く): 8397475

約数列:

[1, 5, 25, 43, 53, 215, 265, 499, 1075, 1325, 2279, 2495, 11395, 12475, 21457, 26447, 56975, 107285, 132235, 536425, 661175, 1137221, 5686105, 28430525]

約数ペア:

[(1, 28430525), (5, 5686105), (25, 1137221), (43, 661175), (53, 536425), (215, 132235), (265, 107285), (499, 56975), (1075, 26447), (1325, 21457), (2279, 12475), (2495, 11395)]