1287543808

素因数分解:

$2^{10}\times {\mathrm{83}}^1\times {\mathrm{15149}}^1$

素因数の和:15252

約数の個数: 44

約数和(自身を含む): 2605012200

約数和(自身を除く): 1317468392

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 512, 664, 1024, 1328, 2656, 5312, 10624, 15149, 21248, 30298, 42496, 60596, 84992, 121192, 242384, 484768, 969536, 1257367, 1939072, 2514734, 3878144, 5029468, 7756288, 10058936, 15512576, 20117872, 40235744, 80471488, 160942976, 321885952, 643771904, 1287543808]

約数ペア:

[(1, 1287543808), (2, 643771904), (4, 321885952), (8, 160942976), (16, 80471488), (32, 40235744), (64, 20117872), (83, 15512576), (128, 10058936), (166, 7756288), (256, 5029468), (332, 3878144), (512, 2514734), (664, 1939072), (1024, 1257367), (1328, 969536), (2656, 484768), (5312, 242384), (10624, 121192), (15149, 84992), (21248, 60596), (30298, 42496)]