28009384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20717}}^1$

素因数の和:20749

約数の個数: 24

約数和(自身を含む): 56870910

約数和(自身を除く): 28861526

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20717, 41434, 82868, 165736, 269321, 538642, 1077284, 2154568, 3501173, 7002346, 14004692, 28009384]

約数ペア:

[(1, 28009384), (2, 14004692), (4, 7002346), (8, 3501173), (13, 2154568), (26, 1077284), (52, 538642), (104, 269321), (169, 165736), (338, 82868), (676, 41434), (1352, 20717)]