87388015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 127628928

約数和(自身を除く): 40240913

約数列:

[1, 5, 11, 13, 41, 55, 65, 121, 143, 205, 271, 451, 533, 605, 715, 1355, 1573, 2255, 2665, 2981, 3523, 4961, 5863, 7865, 11111, 14905, 17615, 24805, 29315, 32791, 38753, 55555, 64493, 122221, 144443, 163955, 193765, 322465, 426283, 611105, 722215, 1344431, 1588873, 2131415, 6722155, 7944365, 17477603, 87388015]

約数ペア:

[(1, 87388015), (5, 17477603), (11, 7944365), (13, 6722155), (41, 2131415), (55, 1588873), (65, 1344431), (121, 722215), (143, 611105), (205, 426283), (271, 322465), (451, 193765), (533, 163955), (605, 144443), (715, 122221), (1355, 64493), (1573, 55555), (2255, 38753), (2665, 32791), (2981, 29315), (3523, 24805), (4961, 17615), (5863, 14905), (7865, 11111)]