221105872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1063009}}^1$

素因数の和:1063030

約数の個数: 20

約数和(自身を含む): 461346340

約数和(自身を除く): 240240468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1063009, 2126018, 4252036, 8504072, 13819117, 17008144, 27638234, 55276468, 110552936, 221105872]

約数ペア:

[(1, 221105872), (2, 110552936), (4, 55276468), (8, 27638234), (13, 17008144), (16, 13819117), (26, 8504072), (52, 4252036), (104, 2126018), (208, 1063009)]