721857084

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4627289}}^1$

素因数の和:4627309

約数の個数: 24

約数和(自身を含む): 1813897680

約数和(自身を除く): 1092040596

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4627289, 9254578, 13881867, 18509156, 27763734, 55527468, 60154757, 120309514, 180464271, 240619028, 360928542, 721857084]

約数ペア:

[(1, 721857084), (2, 360928542), (3, 240619028), (4, 180464271), (6, 120309514), (12, 60154757), (13, 55527468), (26, 27763734), (39, 18509156), (52, 13881867), (78, 9254578), (156, 4627289)]