1280344

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{947}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 2602260

約数和(自身を除く): 1321916

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 947, 1352, 1894, 3788, 7576, 12311, 24622, 49244, 98488, 160043, 320086, 640172, 1280344]

約数ペア:

[(1, 1280344), (2, 640172), (4, 320086), (8, 160043), (13, 98488), (26, 49244), (52, 24622), (104, 12311), (169, 7576), (338, 3788), (676, 1894), (947, 1352)]