2689549681

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 3476088000

約数和(自身を除く): 786538319

約数列:

[1, 7, 13, 43, 49, 91, 149, 301, 559, 637, 659, 1043, 1937, 2107, 3913, 4613, 6407, 7301, 8567, 13559, 27391, 28337, 32291, 44849, 59969, 83291, 94913, 98191, 198359, 313943, 368381, 419783, 583037, 687337, 1276483, 1388513, 2578667, 4081259, 4222213, 4811359, 8935381, 18050669, 29555491, 54888769, 62547667, 206888437, 384221383, 2689549681]

約数ペア:

[(1, 2689549681), (7, 384221383), (13, 206888437), (43, 62547667), (49, 54888769), (91, 29555491), (149, 18050669), (301, 8935381), (559, 4811359), (637, 4222213), (659, 4081259), (1043, 2578667), (1937, 1388513), (2107, 1276483), (3913, 687337), (4613, 583037), (6407, 419783), (7301, 368381), (8567, 313943), (13559, 198359), (27391, 98191), (28337, 94913), (32291, 83291), (44849, 59969)]