27903928

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20639}}^1$

素因数の和:20671

約数の個数: 24

約数和(自身を含む): 56656800

約数和(自身を除く): 28752872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20639, 41278, 82556, 165112, 268307, 536614, 1073228, 2146456, 3487991, 6975982, 13951964, 27903928]

約数ペア:

[(1, 27903928), (2, 13951964), (4, 6975982), (8, 3487991), (13, 2146456), (26, 1073228), (52, 536614), (104, 268307), (169, 165112), (338, 82556), (676, 41278), (1352, 20639)]