217581234

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2789503}}^1$

素因数の和:2789521

約数の個数: 16

約数和(自身を含む): 468636672

約数和(自身を除く): 251055438

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 2789503, 5579006, 8368509, 16737018, 36263539, 72527078, 108790617, 217581234]

約数ペア:

[(1, 217581234), (2, 108790617), (3, 72527078), (6, 36263539), (13, 16737018), (26, 8368509), (39, 5579006), (78, 2789503)]