12821536

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 34387416

約数和(自身を除く): 21565880

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 37, 49, 52, 56, 68, 74, 91, 98, 104, 112, 119, 136, 148, 182, 196, 208, 221, 224, 238, 259, 272, 296, 364, 392, 416, 442, 476, 481, 518, 544, 592, 629, 637, 728, 784, 833, 884, 952, 962, 1036, 1184, 1258, 1274, 1456, 1547, 1568, 1666, 1768, 1813, 1904, 1924, 2072, 2516, 2548, 2912, 3094, 3332, 3367, 3536, 3626, 3808, 3848, 4144, 4403, 5032, 5096, 6188, 6664, 6734, 7072, 7252, 7696, 8177, 8288, 8806, 10064, 10192, 10829, 12376, 13328, 13468, 14504, 15392, 16354, 17612, 20128, 20384, 21658, 23569, 24752, 26656, 26936, 29008, 30821, 32708, 35224, 43316, 47138, 49504, 53872, 57239, 58016, 61642, 65416, 70448, 86632, 94276, 107744, 114478, 123284, 130832, 140896, 173264, 188552, 228956, 246568, 261664, 346528, 377104, 400673, 457912, 493136, 754208, 801346, 915824, 986272, 1602692, 1831648, 3205384, 6410768, 12821536]

約数ペア:

[(1, 12821536), (2, 6410768), (4, 3205384), (7, 1831648), (8, 1602692), (13, 986272), (14, 915824), (16, 801346), (17, 754208), (26, 493136), (28, 457912), (32, 400673), (34, 377104), (37, 346528), (49, 261664), (52, 246568), (56, 228956), (68, 188552), (74, 173264), (91, 140896), (98, 130832), (104, 123284), (112, 114478), (119, 107744), (136, 94276), (148, 86632), (182, 70448), (196, 65416), (208, 61642), (221, 58016), (224, 57239), (238, 53872), (259, 49504), (272, 47138), (296, 43316), (364, 35224), (392, 32708), (416, 30821), (442, 29008), (476, 26936), (481, 26656), (518, 24752), (544, 23569), (592, 21658), (629, 20384), (637, 20128), (728, 17612), (784, 16354), (833, 15392), (884, 14504), (952, 13468), (962, 13328), (1036, 12376), (1184, 10829), (1258, 10192), (1274, 10064), (1456, 8806), (1547, 8288), (1568, 8177), (1666, 7696), (1768, 7252), (1813, 7072), (1904, 6734), (1924, 6664), (2072, 6188), (2516, 5096), (2548, 5032), (2912, 4403), (3094, 4144), (3332, 3848), (3367, 3808), (3536, 3626)]