1988155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:510

約数の個数: 16

約数和(自身を含む): 2610720

約数和(自身を除く): 622565

約数列:

[1, 5, 13, 65, 73, 365, 419, 949, 2095, 4745, 5447, 27235, 30587, 152935, 397631, 1988155]

約数ペア:

[(1, 1988155), (5, 397631), (13, 152935), (65, 30587), (73, 27235), (365, 5447), (419, 4745), (949, 2095)]