137263945

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 209599488

約数和(自身を除く): 72335543

約数列:

[1, 5, 7, 13, 35, 49, 65, 71, 91, 245, 355, 455, 497, 607, 637, 923, 2485, 3035, 3185, 3479, 4249, 4615, 6461, 7891, 17395, 21245, 29743, 32305, 39455, 43097, 45227, 55237, 148715, 215485, 226135, 276185, 301679, 386659, 560261, 1508395, 1933295, 2111753, 2801305, 3921827, 10558765, 19609135, 27452789, 137263945]

約数ペア:

[(1, 137263945), (5, 27452789), (7, 19609135), (13, 10558765), (35, 3921827), (49, 2801305), (65, 2111753), (71, 1933295), (91, 1508395), (245, 560261), (355, 386659), (455, 301679), (497, 276185), (607, 226135), (637, 215485), (923, 148715), (2485, 55237), (3035, 45227), (3185, 43097), (3479, 39455), (4249, 32305), (4615, 29743), (6461, 21245), (7891, 17395)]