16393375

素因数分解:

$5^3\times {\mathrm{313}}^1\times {\mathrm{419}}^1$

素因数の和:747

約数の個数: 16

約数和(自身を含む): 20573280

約数和(自身を除く): 4179905

約数列:

[1, 5, 25, 125, 313, 419, 1565, 2095, 7825, 10475, 39125, 52375, 131147, 655735, 3278675, 16393375]

約数ペア:

[(1, 16393375), (5, 3278675), (25, 655735), (125, 131147), (313, 52375), (419, 39125), (1565, 10475), (2095, 7825)]