25026872

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 51584040

約数和(自身を除く): 26557168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 169, 173, 214, 338, 346, 428, 676, 692, 856, 1352, 1384, 1391, 2249, 2782, 4498, 5564, 8996, 11128, 17992, 18083, 18511, 29237, 36166, 37022, 58474, 72332, 74044, 116948, 144664, 148088, 233896, 240643, 481286, 962572, 1925144, 3128359, 6256718, 12513436, 25026872]

約数ペア:

[(1, 25026872), (2, 12513436), (4, 6256718), (8, 3128359), (13, 1925144), (26, 962572), (52, 481286), (104, 240643), (107, 233896), (169, 148088), (173, 144664), (214, 116948), (338, 74044), (346, 72332), (428, 58474), (676, 37022), (692, 36166), (856, 29237), (1352, 18511), (1384, 18083), (1391, 17992), (2249, 11128), (2782, 8996), (4498, 5564)]