12881128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{587}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 26177760

約数和(自身を除く): 13296632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 211, 422, 587, 844, 1174, 1688, 2348, 2743, 4696, 5486, 7631, 10972, 15262, 21944, 30524, 61048, 123857, 247714, 495428, 990856, 1610141, 3220282, 6440564, 12881128]

約数ペア:

[(1, 12881128), (2, 6440564), (4, 3220282), (8, 1610141), (13, 990856), (26, 495428), (52, 247714), (104, 123857), (211, 61048), (422, 30524), (587, 21944), (844, 15262), (1174, 10972), (1688, 7631), (2348, 5486), (2743, 4696)]