28156076

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41651}}^1$

素因数の和:41681

約数の個数: 18

約数和(自身を含む): 53356212

約数和(自身を除く): 25200136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 41651, 83302, 166604, 541463, 1082926, 2165852, 7039019, 14078038, 28156076]

約数ペア:

[(1, 28156076), (2, 14078038), (4, 7039019), (13, 2165852), (26, 1082926), (52, 541463), (169, 166604), (338, 83302), (676, 41651)]