664241344

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2011}}^1$

素因数の和:2433

約数の個数: 56

約数和(自身を含む): 1423779728

約数和(自身を除く): 759538384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 397, 416, 794, 832, 1588, 2011, 3176, 4022, 5161, 6352, 8044, 10322, 12704, 16088, 20644, 25408, 26143, 32176, 41288, 52286, 64352, 82576, 104572, 128704, 165152, 209144, 330304, 418288, 798367, 836576, 1596734, 1673152, 3193468, 6386936, 10378771, 12773872, 20757542, 25547744, 41515084, 51095488, 83030168, 166060336, 332120672, 664241344]

約数ペア:

[(1, 664241344), (2, 332120672), (4, 166060336), (8, 83030168), (13, 51095488), (16, 41515084), (26, 25547744), (32, 20757542), (52, 12773872), (64, 10378771), (104, 6386936), (208, 3193468), (397, 1673152), (416, 1596734), (794, 836576), (832, 798367), (1588, 418288), (2011, 330304), (3176, 209144), (4022, 165152), (5161, 128704), (6352, 104572), (8044, 82576), (10322, 64352), (12704, 52286), (16088, 41288), (20644, 32176), (25408, 26143)]