12645256

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 26352000

約数和(自身を除く): 13706744

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 169, 188, 199, 338, 376, 398, 611, 676, 796, 1222, 1352, 1592, 2444, 2587, 4888, 5174, 7943, 9353, 10348, 15886, 18706, 20696, 31772, 33631, 37412, 63544, 67262, 74824, 121589, 134524, 243178, 269048, 486356, 972712, 1580657, 3161314, 6322628, 12645256]

約数ペア:

[(1, 12645256), (2, 6322628), (4, 3161314), (8, 1580657), (13, 972712), (26, 486356), (47, 269048), (52, 243178), (94, 134524), (104, 121589), (169, 74824), (188, 67262), (199, 63544), (338, 37412), (376, 33631), (398, 31772), (611, 20696), (676, 18706), (796, 15886), (1222, 10348), (1352, 9353), (1592, 7943), (2444, 5174), (2587, 4888)]