42568405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{991}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 56996352

約数和(自身を除く): 14427947

約数列:

[1, 5, 11, 55, 71, 121, 355, 605, 781, 991, 3905, 4955, 8591, 10901, 42955, 54505, 70361, 119911, 351805, 599555, 773971, 3869855, 8513681, 42568405]

約数ペア:

[(1, 42568405), (5, 8513681), (11, 3869855), (55, 773971), (71, 599555), (121, 351805), (355, 119911), (605, 70361), (781, 54505), (991, 42955), (3905, 10901), (4955, 8591)]