2019787055

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3617}}^1$

素因数の和:3728

約数の個数: 48

約数和(自身を含む): 2910261312

約数和(自身を除く): 890474257

約数列:

[1, 5, 11, 13, 55, 65, 71, 121, 143, 355, 605, 715, 781, 923, 1573, 3617, 3905, 4615, 7865, 8591, 10153, 18085, 39787, 42955, 47021, 50765, 111683, 198935, 235105, 256807, 437657, 517231, 558415, 1284035, 2188285, 2586155, 2824877, 3338491, 5689541, 14124385, 16692455, 28447705, 31073647, 36723401, 155368235, 183617005, 403957411, 2019787055]

約数ペア:

[(1, 2019787055), (5, 403957411), (11, 183617005), (13, 155368235), (55, 36723401), (65, 31073647), (71, 28447705), (121, 16692455), (143, 14124385), (355, 5689541), (605, 3338491), (715, 2824877), (781, 2586155), (923, 2188285), (1573, 1284035), (3617, 558415), (3905, 517231), (4615, 437657), (7865, 256807), (8591, 235105), (10153, 198935), (18085, 111683), (39787, 50765), (42955, 47021)]