256867072

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 651071232

約数和(自身を除く): 394204160

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 83, 88, 112, 128, 154, 157, 166, 176, 224, 256, 308, 314, 332, 352, 448, 581, 616, 628, 664, 704, 896, 913, 1099, 1162, 1232, 1256, 1328, 1408, 1727, 1792, 1826, 2198, 2324, 2464, 2512, 2656, 2816, 3454, 3652, 4396, 4648, 4928, 5024, 5312, 6391, 6908, 7304, 8792, 9296, 9856, 10048, 10624, 12089, 12782, 13031, 13816, 14608, 17584, 18592, 19712, 20096, 21248, 24178, 25564, 26062, 27632, 29216, 35168, 37184, 40192, 48356, 51128, 52124, 55264, 58432, 70336, 74368, 91217, 96712, 102256, 104248, 110528, 116864, 140672, 143341, 148736, 182434, 193424, 204512, 208496, 221056, 233728, 281344, 286682, 364868, 386848, 409024, 416992, 442112, 573364, 729736, 773696, 818048, 833984, 1003387, 1146728, 1459472, 1547392, 1636096, 1667968, 2006774, 2293456, 2918944, 3094784, 3335936, 4013548, 4586912, 5837888, 8027096, 9173824, 11675776, 16054192, 18347648, 23351552, 32108384, 36695296, 64216768, 128433536, 256867072]

約数ペア:

[(1, 256867072), (2, 128433536), (4, 64216768), (7, 36695296), (8, 32108384), (11, 23351552), (14, 18347648), (16, 16054192), (22, 11675776), (28, 9173824), (32, 8027096), (44, 5837888), (56, 4586912), (64, 4013548), (77, 3335936), (83, 3094784), (88, 2918944), (112, 2293456), (128, 2006774), (154, 1667968), (157, 1636096), (166, 1547392), (176, 1459472), (224, 1146728), (256, 1003387), (308, 833984), (314, 818048), (332, 773696), (352, 729736), (448, 573364), (581, 442112), (616, 416992), (628, 409024), (664, 386848), (704, 364868), (896, 286682), (913, 281344), (1099, 233728), (1162, 221056), (1232, 208496), (1256, 204512), (1328, 193424), (1408, 182434), (1727, 148736), (1792, 143341), (1826, 140672), (2198, 116864), (2324, 110528), (2464, 104248), (2512, 102256), (2656, 96712), (2816, 91217), (3454, 74368), (3652, 70336), (4396, 58432), (4648, 55264), (4928, 52124), (5024, 51128), (5312, 48356), (6391, 40192), (6908, 37184), (7304, 35168), (8792, 29216), (9296, 27632), (9856, 26062), (10048, 25564), (10624, 24178), (12089, 21248), (12782, 20096), (13031, 19712), (13816, 18592), (14608, 17584)]