28291276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41851}}^1$

素因数の和:41881

約数の個数: 18

約数和(自身を含む): 53612412

約数和(自身を除く): 25321136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41851, 83702, 167404, 544063, 1088126, 2176252, 7072819, 14145638, 28291276]

約数ペア:

[(1, 28291276), (2, 14145638), (4, 7072819), (13, 2176252), (26, 1088126), (52, 544063), (169, 167404), (338, 83702), (676, 41851)]