28403188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{645527}}^1$

素因数の和:645542

約数の個数: 12

約数和(自身を含む): 54224352

約数和(自身を除く): 25821164

約数列:

[1, 2, 4, 11, 22, 44, 645527, 1291054, 2582108, 7100797, 14201594, 28403188]

約数ペア:

[(1, 28403188), (2, 14201594), (4, 7100797), (11, 2582108), (22, 1291054), (44, 645527)]