2011609985

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10513}}^1$

素因数の和:10614

約数の個数: 48

約数和(自身を含む): 3106760832

約数和(自身を除く): 1095150847

約数列:

[1, 5, 7, 11, 35, 49, 55, 71, 77, 245, 355, 385, 497, 539, 781, 2485, 2695, 3479, 3905, 5467, 10513, 17395, 27335, 38269, 52565, 73591, 115643, 191345, 367955, 515137, 578215, 746423, 809501, 2575685, 3732115, 4047505, 5224961, 5666507, 8210653, 26124805, 28332535, 36574727, 41053265, 57474571, 182873635, 287372855, 402321997, 2011609985]

約数ペア:

[(1, 2011609985), (5, 402321997), (7, 287372855), (11, 182873635), (35, 57474571), (49, 41053265), (55, 36574727), (71, 28332535), (77, 26124805), (245, 8210653), (355, 5666507), (385, 5224961), (497, 4047505), (539, 3732115), (781, 2575685), (2485, 809501), (2695, 746423), (3479, 578215), (3905, 515137), (5467, 367955), (10513, 191345), (17395, 115643), (27335, 73591), (38269, 52565)]