2991770878

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{679639}}^1$

素因数の和:679743

約数の個数: 16

約数和(自身を含む): 4697671680

約数和(自身を除く): 1705900802

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 679639, 1359278, 21068809, 42137618, 48254369, 96508738, 1495885439, 2991770878]

約数ペア:

[(1, 2991770878), (2, 1495885439), (31, 96508738), (62, 48254369), (71, 42137618), (142, 21068809), (2201, 1359278), (4402, 679639)]