1291308448

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{1489}}^1$

素因数の和:2201

約数の個数: 48

約数和(自身を含む): 2609961480

約数和(自身を除く): 1318653032

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 661, 1312, 1322, 1489, 2644, 2978, 5288, 5956, 10576, 11912, 21152, 23824, 27101, 47648, 54202, 61049, 108404, 122098, 216808, 244196, 433616, 488392, 867232, 976784, 984229, 1953568, 1968458, 3936916, 7873832, 15747664, 31495328, 40353389, 80706778, 161413556, 322827112, 645654224, 1291308448]

約数ペア:

[(1, 1291308448), (2, 645654224), (4, 322827112), (8, 161413556), (16, 80706778), (32, 40353389), (41, 31495328), (82, 15747664), (164, 7873832), (328, 3936916), (656, 1968458), (661, 1953568), (1312, 984229), (1322, 976784), (1489, 867232), (2644, 488392), (2978, 433616), (5288, 244196), (5956, 216808), (10576, 122098), (11912, 108404), (21152, 61049), (23824, 54202), (27101, 47648)]