128840255

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{8209}}^1$

素因数の和:8330

約数の個数: 16

約数和(自身を含む): 160390560

約数和(自身を除く): 31550305

約数列:

[1, 5, 43, 73, 215, 365, 3139, 8209, 15695, 41045, 352987, 599257, 1764935, 2996285, 25768051, 128840255]

約数ペア:

[(1, 128840255), (5, 25768051), (43, 2996285), (73, 1764935), (215, 599257), (365, 352987), (3139, 41045), (8209, 15695)]