128375855

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{1559}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 158146560

約数和(自身を除く): 29770705

約数列:

[1, 5, 43, 215, 383, 1559, 1915, 7795, 16469, 67037, 82345, 335185, 597097, 2985485, 25675171, 128375855]

約数ペア:

[(1, 128375855), (5, 25675171), (43, 2985485), (215, 597097), (383, 335185), (1559, 82345), (1915, 67037), (7795, 16469)]