28481024

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 80

約数和(自身を含む): 67026960

約数和(自身を除く): 38545936

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 128, 143, 176, 208, 256, 286, 352, 389, 416, 512, 572, 704, 778, 832, 1144, 1408, 1556, 1664, 2288, 2816, 3112, 3328, 4279, 4576, 5057, 5632, 6224, 6656, 8558, 9152, 10114, 12448, 17116, 18304, 20228, 24896, 34232, 36608, 40456, 49792, 55627, 68464, 73216, 80912, 99584, 111254, 136928, 161824, 199168, 222508, 273856, 323648, 445016, 547712, 647296, 890032, 1095424, 1294592, 1780064, 2190848, 2589184, 3560128, 7120256, 14240512, 28481024]

約数ペア:

[(1, 28481024), (2, 14240512), (4, 7120256), (8, 3560128), (11, 2589184), (13, 2190848), (16, 1780064), (22, 1294592), (26, 1095424), (32, 890032), (44, 647296), (52, 547712), (64, 445016), (88, 323648), (104, 273856), (128, 222508), (143, 199168), (176, 161824), (208, 136928), (256, 111254), (286, 99584), (352, 80912), (389, 73216), (416, 68464), (512, 55627), (572, 49792), (704, 40456), (778, 36608), (832, 34232), (1144, 24896), (1408, 20228), (1556, 18304), (1664, 17116), (2288, 12448), (2816, 10114), (3112, 9152), (3328, 8558), (4279, 6656), (4576, 6224), (5057, 5632)]