131274496

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 279251280

約数和(自身を除く): 147976784

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 137, 152, 197, 256, 274, 304, 394, 548, 608, 788, 1096, 1216, 1576, 2192, 2432, 2603, 3152, 3743, 4384, 4864, 5206, 6304, 7486, 8768, 10412, 12608, 14972, 17536, 20824, 25216, 26989, 29944, 35072, 41648, 50432, 53978, 59888, 83296, 107956, 119776, 166592, 215912, 239552, 333184, 431824, 479104, 512791, 666368, 863648, 958208, 1025582, 1727296, 2051164, 3454592, 4102328, 6909184, 8204656, 16409312, 32818624, 65637248, 131274496]

約数ペア:

[(1, 131274496), (2, 65637248), (4, 32818624), (8, 16409312), (16, 8204656), (19, 6909184), (32, 4102328), (38, 3454592), (64, 2051164), (76, 1727296), (128, 1025582), (137, 958208), (152, 863648), (197, 666368), (256, 512791), (274, 479104), (304, 431824), (394, 333184), (548, 239552), (608, 215912), (788, 166592), (1096, 119776), (1216, 107956), (1576, 83296), (2192, 59888), (2432, 53978), (2603, 50432), (3152, 41648), (3743, 35072), (4384, 29944), (4864, 26989), (5206, 25216), (6304, 20824), (7486, 17536), (8768, 14972), (10412, 12608)]