12138256

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{67}}^2$

素因数の和:168

約数の個数: 45

約数和(自身を含む): 25851861

約数和(自身を除く): 13713605

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 169, 208, 268, 338, 536, 676, 871, 1072, 1352, 1742, 2704, 3484, 4489, 6968, 8978, 11323, 13936, 17956, 22646, 35912, 45292, 58357, 71824, 90584, 116714, 181168, 233428, 466856, 758641, 933712, 1517282, 3034564, 6069128, 12138256]

約数ペア:

[(1, 12138256), (2, 6069128), (4, 3034564), (8, 1517282), (13, 933712), (16, 758641), (26, 466856), (52, 233428), (67, 181168), (104, 116714), (134, 90584), (169, 71824), (208, 58357), (268, 45292), (338, 35912), (536, 22646), (676, 17956), (871, 13936), (1072, 11323), (1352, 8978), (1742, 6968), (2704, 4489)]