15894955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1670

約数の個数: 16

約数和(自身を含む): 20139840

約数和(自身を除く): 4244885

約数列:

[1, 5, 23, 89, 115, 445, 1553, 2047, 7765, 10235, 35719, 138217, 178595, 691085, 3178991, 15894955]

約数ペア:

[(1, 15894955), (5, 3178991), (23, 691085), (89, 178595), (115, 138217), (445, 35719), (1553, 10235), (2047, 7765)]