256934784

素因数分解:

$2^7\times 3^1\times {\mathrm{383}}^1\times {\mathrm{1747}}^1$

素因数の和:2147

約数の個数: 64

約数和(自身を含む): 684656640

約数和(自身を除く): 427721856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 383, 384, 766, 1149, 1532, 1747, 2298, 3064, 3494, 4596, 5241, 6128, 6988, 9192, 10482, 12256, 13976, 18384, 20964, 24512, 27952, 36768, 41928, 49024, 55904, 73536, 83856, 111808, 147072, 167712, 223616, 335424, 669101, 670848, 1338202, 2007303, 2676404, 4014606, 5352808, 8029212, 10705616, 16058424, 21411232, 32116848, 42822464, 64233696, 85644928, 128467392, 256934784]

約数ペア:

[(1, 256934784), (2, 128467392), (3, 85644928), (4, 64233696), (6, 42822464), (8, 32116848), (12, 21411232), (16, 16058424), (24, 10705616), (32, 8029212), (48, 5352808), (64, 4014606), (96, 2676404), (128, 2007303), (192, 1338202), (383, 670848), (384, 669101), (766, 335424), (1149, 223616), (1532, 167712), (1747, 147072), (2298, 111808), (3064, 83856), (3494, 73536), (4596, 55904), (5241, 49024), (6128, 41928), (6988, 36768), (9192, 27952), (10482, 24512), (12256, 20964), (13976, 18384)]