221271128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2127607}}^1$

素因数の和:2127626

約数の個数: 16

約数和(自身を含む): 446797680

約数和(自身を除く): 225526552

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2127607, 4255214, 8510428, 17020856, 27658891, 55317782, 110635564, 221271128]

約数ペア:

[(1, 221271128), (2, 110635564), (4, 55317782), (8, 27658891), (13, 17020856), (26, 8510428), (52, 4255214), (104, 2127607)]