2001564

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 5322240

約数和(自身を除く): 3320676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 431, 516, 774, 862, 1161, 1293, 1548, 1724, 2322, 2586, 3879, 4644, 5172, 7758, 11637, 15516, 18533, 23274, 37066, 46548, 55599, 74132, 111198, 166797, 222396, 333594, 500391, 667188, 1000782, 2001564]

約数ペア:

[(1, 2001564), (2, 1000782), (3, 667188), (4, 500391), (6, 333594), (9, 222396), (12, 166797), (18, 111198), (27, 74132), (36, 55599), (43, 46548), (54, 37066), (86, 23274), (108, 18533), (129, 15516), (172, 11637), (258, 7758), (387, 5172), (431, 4644), (516, 3879), (774, 2586), (862, 2322), (1161, 1724), (1293, 1548)]