28364284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41959}}^1$

素因数の和:41989

約数の個数: 18

約数和(自身を含む): 53750760

約数和(自身を除く): 25386476

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41959, 83918, 167836, 545467, 1090934, 2181868, 7091071, 14182142, 28364284]

約数ペア:

[(1, 28364284), (2, 14182142), (4, 7091071), (13, 2181868), (26, 1090934), (52, 545467), (169, 167836), (338, 83918), (676, 41959)]