129898405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4021}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 194600448

約数和(自身を除く): 64702043

約数列:

[1, 5, 7, 13, 35, 65, 71, 91, 355, 455, 497, 923, 2485, 4021, 4615, 6461, 20105, 28147, 32305, 52273, 140735, 261365, 285491, 365911, 1427455, 1829555, 1998437, 3711383, 9992185, 18556915, 25979681, 129898405]

約数ペア:

[(1, 129898405), (5, 25979681), (7, 18556915), (13, 9992185), (35, 3711383), (65, 1998437), (71, 1829555), (91, 1427455), (355, 365911), (455, 285491), (497, 261365), (923, 140735), (2485, 52273), (4021, 32305), (4615, 28147), (6461, 20105)]