216960276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1390771}}^1$

素因数の和:1390791

約数の個数: 24

約数和(自身を含む): 545182624

約数和(自身を除く): 328222348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1390771, 2781542, 4172313, 5563084, 8344626, 16689252, 18080023, 36160046, 54240069, 72320092, 108480138, 216960276]

約数ペア:

[(1, 216960276), (2, 108480138), (3, 72320092), (4, 54240069), (6, 36160046), (12, 18080023), (13, 16689252), (26, 8344626), (39, 5563084), (52, 4172313), (78, 2781542), (156, 1390771)]