28211764

素因数分解:

$2^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{2887}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 56604800

約数和(自身を除く): 28393036

約数列:

[1, 2, 4, 7, 14, 28, 349, 698, 1396, 2443, 2887, 4886, 5774, 9772, 11548, 20209, 40418, 80836, 1007563, 2015126, 4030252, 7052941, 14105882, 28211764]

約数ペア:

[(1, 28211764), (2, 14105882), (4, 7052941), (7, 4030252), (14, 2015126), (28, 1007563), (349, 80836), (698, 40418), (1396, 20209), (2443, 11548), (2887, 9772), (4886, 5774)]