2389387

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 3396288

約数和(自身を除く): 1006901

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 121, 143, 217, 341, 403, 539, 637, 847, 1001, 1519, 1573, 2387, 2821, 3751, 4433, 5929, 7007, 11011, 16709, 19747, 26257, 31031, 48763, 77077, 183799, 217217, 341341, 2389387]

約数ペア:

[(1, 2389387), (7, 341341), (11, 217217), (13, 183799), (31, 77077), (49, 48763), (77, 31031), (91, 26257), (121, 19747), (143, 16709), (217, 11011), (341, 7007), (403, 5929), (539, 4433), (637, 3751), (847, 2821), (1001, 2387), (1519, 1573)]