28827136

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 63933408

約数和(自身を除く): 35106272

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 71, 104, 122, 128, 142, 208, 244, 256, 284, 416, 488, 512, 568, 793, 832, 923, 976, 1136, 1586, 1664, 1846, 1952, 2272, 3172, 3328, 3692, 3904, 4331, 4544, 6344, 6656, 7384, 7808, 8662, 9088, 12688, 14768, 15616, 17324, 18176, 25376, 29536, 31232, 34648, 36352, 50752, 56303, 59072, 69296, 101504, 112606, 118144, 138592, 203008, 225212, 236288, 277184, 406016, 450424, 472576, 554368, 900848, 1108736, 1801696, 2217472, 3603392, 7206784, 14413568, 28827136]

約数ペア:

[(1, 28827136), (2, 14413568), (4, 7206784), (8, 3603392), (13, 2217472), (16, 1801696), (26, 1108736), (32, 900848), (52, 554368), (61, 472576), (64, 450424), (71, 406016), (104, 277184), (122, 236288), (128, 225212), (142, 203008), (208, 138592), (244, 118144), (256, 112606), (284, 101504), (416, 69296), (488, 59072), (512, 56303), (568, 50752), (793, 36352), (832, 34648), (923, 31232), (976, 29536), (1136, 25376), (1586, 18176), (1664, 17324), (1846, 15616), (1952, 14768), (2272, 12688), (3172, 9088), (3328, 8662), (3692, 7808), (3904, 7384), (4331, 6656), (4544, 6344)]