64491856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 80

約数和(自身を含む): 149240448

約数和(自身を除く): 84748592

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 71, 88, 104, 142, 143, 176, 208, 284, 286, 397, 568, 572, 781, 794, 923, 1136, 1144, 1562, 1588, 1846, 2288, 3124, 3176, 3692, 4367, 5161, 6248, 6352, 7384, 8734, 10153, 10322, 12496, 14768, 17468, 20306, 20644, 28187, 34936, 40612, 41288, 56374, 56771, 69872, 81224, 82576, 112748, 113542, 162448, 225496, 227084, 310057, 366431, 450992, 454168, 620114, 732862, 908336, 1240228, 1465724, 2480456, 2931448, 4030741, 4960912, 5862896, 8061482, 16122964, 32245928, 64491856]

約数ペア:

[(1, 64491856), (2, 32245928), (4, 16122964), (8, 8061482), (11, 5862896), (13, 4960912), (16, 4030741), (22, 2931448), (26, 2480456), (44, 1465724), (52, 1240228), (71, 908336), (88, 732862), (104, 620114), (142, 454168), (143, 450992), (176, 366431), (208, 310057), (284, 227084), (286, 225496), (397, 162448), (568, 113542), (572, 112748), (781, 82576), (794, 81224), (923, 69872), (1136, 56771), (1144, 56374), (1562, 41288), (1588, 40612), (1846, 34936), (2288, 28187), (3124, 20644), (3176, 20306), (3692, 17468), (4367, 14768), (5161, 12496), (6248, 10322), (6352, 10153), (7384, 8734)]