221419912

素因数分解:

$2^3\times 7^1\times {\mathrm{3953927}}^1$

素因数の和:3953940

約数の個数: 16

約数和(自身を含む): 474471360

約数和(自身を除く): 253051448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3953927, 7907854, 15815708, 27677489, 31631416, 55354978, 110709956, 221419912]

約数ペア:

[(1, 221419912), (2, 110709956), (4, 55354978), (7, 31631416), (8, 27677489), (14, 15815708), (28, 7907854), (56, 3953927)]