256218496

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{769}}^1$

素因数の和:939

約数の個数: 64

約数和(自身を含む): 541926000

約数和(自身を除く): 285707504

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 137, 152, 274, 304, 548, 608, 769, 1096, 1216, 1538, 2192, 2432, 2603, 3076, 4384, 5206, 6152, 8768, 10412, 12304, 14611, 17536, 20824, 24608, 29222, 41648, 49216, 58444, 83296, 98432, 105353, 116888, 166592, 210706, 233776, 333184, 421412, 467552, 842824, 935104, 1685648, 1870208, 2001707, 3371296, 4003414, 6742592, 8006828, 13485184, 16013656, 32027312, 64054624, 128109248, 256218496]

約数ペア:

[(1, 256218496), (2, 128109248), (4, 64054624), (8, 32027312), (16, 16013656), (19, 13485184), (32, 8006828), (38, 6742592), (64, 4003414), (76, 3371296), (128, 2001707), (137, 1870208), (152, 1685648), (274, 935104), (304, 842824), (548, 467552), (608, 421412), (769, 333184), (1096, 233776), (1216, 210706), (1538, 166592), (2192, 116888), (2432, 105353), (2603, 98432), (3076, 83296), (4384, 58444), (5206, 49216), (6152, 41648), (8768, 29222), (10412, 24608), (12304, 20824), (14611, 17536)]