28406144

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 62517840

約数和(自身を除く): 34111696

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 344, 397, 416, 559, 688, 794, 832, 1118, 1376, 1588, 1664, 2236, 2752, 3176, 4472, 5161, 5504, 6352, 8944, 10322, 12704, 17071, 17888, 20644, 25408, 34142, 35776, 41288, 50816, 68284, 71552, 82576, 136568, 165152, 221923, 273136, 330304, 443846, 546272, 660608, 887692, 1092544, 1775384, 2185088, 3550768, 7101536, 14203072, 28406144]

約数ペア:

[(1, 28406144), (2, 14203072), (4, 7101536), (8, 3550768), (13, 2185088), (16, 1775384), (26, 1092544), (32, 887692), (43, 660608), (52, 546272), (64, 443846), (86, 330304), (104, 273136), (128, 221923), (172, 165152), (208, 136568), (344, 82576), (397, 71552), (416, 68284), (559, 50816), (688, 41288), (794, 35776), (832, 34142), (1118, 25408), (1376, 20644), (1588, 17888), (1664, 17071), (2236, 12704), (2752, 10322), (3176, 8944), (4472, 6352), (5161, 5504)]