642808418

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{5581}}^1$

素因数の和:6042

約数の個数: 32

約数和(自身を含む): 1162842240

約数和(自身を除く): 520033822

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 433, 866, 3031, 5581, 6062, 8227, 11162, 16454, 39067, 57589, 78134, 106039, 115178, 212078, 742273, 1484546, 2416573, 4833146, 16916011, 33832022, 45914887, 91829774, 321404209, 642808418]

約数ペア:

[(1, 642808418), (2, 321404209), (7, 91829774), (14, 45914887), (19, 33832022), (38, 16916011), (133, 4833146), (266, 2416573), (433, 1484546), (866, 742273), (3031, 212078), (5581, 115178), (6062, 106039), (8227, 78134), (11162, 57589), (16454, 39067)]