625123328

素因数分解:

$2^{13}\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 56

約数和(自身を含む): 1261556532

約数和(自身を除く): 636433204

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 512, 548, 557, 1024, 1096, 1114, 2048, 2192, 2228, 4096, 4384, 4456, 8192, 8768, 8912, 17536, 17824, 35072, 35648, 70144, 71296, 76309, 140288, 142592, 152618, 280576, 285184, 305236, 561152, 570368, 610472, 1122304, 1140736, 1220944, 2281472, 2441888, 4562944, 4883776, 9767552, 19535104, 39070208, 78140416, 156280832, 312561664, 625123328]

約数ペア:

[(1, 625123328), (2, 312561664), (4, 156280832), (8, 78140416), (16, 39070208), (32, 19535104), (64, 9767552), (128, 4883776), (137, 4562944), (256, 2441888), (274, 2281472), (512, 1220944), (548, 1140736), (557, 1122304), (1024, 610472), (1096, 570368), (1114, 561152), (2048, 305236), (2192, 285184), (2228, 280576), (4096, 152618), (4384, 142592), (4456, 140288), (8192, 76309), (8768, 71296), (8912, 70144), (17536, 35648), (17824, 35072)]