2991778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 4767840

約数和(自身を除く): 1776062

約数列:

[1, 2, 19, 38, 131, 262, 601, 1202, 2489, 4978, 11419, 22838, 78731, 157462, 1495889, 2991778]

約数ペア:

[(1, 2991778), (2, 1495889), (19, 157462), (38, 78731), (131, 22838), (262, 11419), (601, 4978), (1202, 2489)]