28199912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 57214080

約数和(自身を除く): 29014168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 1031, 1052, 2062, 2104, 3419, 4124, 6838, 8248, 13403, 13676, 26806, 27352, 53612, 107224, 271153, 542306, 1084612, 2169224, 3524989, 7049978, 14099956, 28199912]

約数ペア:

[(1, 28199912), (2, 14099956), (4, 7049978), (8, 3524989), (13, 2169224), (26, 1084612), (52, 542306), (104, 271153), (263, 107224), (526, 53612), (1031, 27352), (1052, 26806), (2062, 13676), (2104, 13403), (3419, 8248), (4124, 6838)]