28347176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 35156824

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 284, 286, 349, 568, 572, 698, 781, 923, 1144, 1396, 1562, 1846, 2792, 3124, 3692, 3839, 4537, 6248, 7384, 7678, 9074, 10153, 15356, 18148, 20306, 24779, 30712, 36296, 40612, 49558, 49907, 81224, 99116, 99814, 198232, 199628, 272569, 322127, 399256, 545138, 644254, 1090276, 1288508, 2180552, 2577016, 3543397, 7086794, 14173588, 28347176]

約数ペア:

[(1, 28347176), (2, 14173588), (4, 7086794), (8, 3543397), (11, 2577016), (13, 2180552), (22, 1288508), (26, 1090276), (44, 644254), (52, 545138), (71, 399256), (88, 322127), (104, 272569), (142, 199628), (143, 198232), (284, 99814), (286, 99116), (349, 81224), (568, 49907), (572, 49558), (698, 40612), (781, 36296), (923, 30712), (1144, 24779), (1396, 20306), (1562, 18148), (1846, 15356), (2792, 10153), (3124, 9074), (3692, 7678), (3839, 7384), (4537, 6248)]