2009149835

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2371}}^1$

素因数の和:2496

約数の個数: 64

約数和(自身を含む): 3147890688

約数和(自身を除く): 1138740853

約数列:

[1, 5, 7, 11, 31, 35, 55, 71, 77, 155, 217, 341, 355, 385, 497, 781, 1085, 1705, 2201, 2371, 2387, 2485, 3905, 5467, 11005, 11855, 11935, 15407, 16597, 24211, 26081, 27335, 73501, 77035, 82985, 121055, 130405, 168341, 169477, 182567, 367505, 514507, 808511, 841705, 847385, 912835, 1178387, 1851751, 2572535, 4042555, 5218571, 5659577, 5891935, 9258755, 12962257, 26092855, 28297885, 36529997, 57404281, 64811285, 182649985, 287021405, 401829967, 2009149835]

約数ペア:

[(1, 2009149835), (5, 401829967), (7, 287021405), (11, 182649985), (31, 64811285), (35, 57404281), (55, 36529997), (71, 28297885), (77, 26092855), (155, 12962257), (217, 9258755), (341, 5891935), (355, 5659577), (385, 5218571), (497, 4042555), (781, 2572535), (1085, 1851751), (1705, 1178387), (2201, 912835), (2371, 847385), (2387, 841705), (2485, 808511), (3905, 514507), (5467, 367505), (11005, 182567), (11855, 169477), (11935, 168341), (15407, 130405), (16597, 121055), (24211, 82985), (26081, 77035), (27335, 73501)]