28510855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 35481600

約数和(自身を除く): 6970745

約数列:

[1, 5, 31, 155, 419, 439, 2095, 2195, 12989, 13609, 64945, 68045, 183941, 919705, 5702171, 28510855]

約数ペア:

[(1, 28510855), (5, 5702171), (31, 919705), (155, 183941), (419, 68045), (439, 64945), (2095, 13609), (2195, 12989)]