978531138

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1393919}}^1$

素因数の和:1393943

約数の個数: 32

約数和(自身を含む): 2341785600

約数和(自身を除く): 1363254462

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 1393919, 2787838, 4181757, 8363514, 12545271, 18120947, 25090542, 36241894, 37635813, 54362841, 75271626, 108725682, 163088523, 326177046, 489265569, 978531138]

約数ペア:

[(1, 978531138), (2, 489265569), (3, 326177046), (6, 163088523), (9, 108725682), (13, 75271626), (18, 54362841), (26, 37635813), (27, 36241894), (39, 25090542), (54, 18120947), (78, 12545271), (117, 8363514), (234, 4181757), (351, 2787838), (702, 1393919)]