281189888

素因数分解:

$2^9\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1171}}^1$

素因数の和:1263

約数の個数: 80

約数和(自身を含む): 652232064

約数和(自身を除く): 371042176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 67, 112, 128, 134, 224, 256, 268, 448, 469, 512, 536, 896, 938, 1072, 1171, 1792, 1876, 2144, 2342, 3584, 3752, 4288, 4684, 7504, 8197, 8576, 9368, 15008, 16394, 17152, 18736, 30016, 32788, 34304, 37472, 60032, 65576, 74944, 78457, 120064, 131152, 149888, 156914, 240128, 262304, 299776, 313828, 524608, 549199, 599552, 627656, 1049216, 1098398, 1255312, 2098432, 2196796, 2510624, 4196864, 4393592, 5021248, 8787184, 10042496, 17574368, 20084992, 35148736, 40169984, 70297472, 140594944, 281189888]

約数ペア:

[(1, 281189888), (2, 140594944), (4, 70297472), (7, 40169984), (8, 35148736), (14, 20084992), (16, 17574368), (28, 10042496), (32, 8787184), (56, 5021248), (64, 4393592), (67, 4196864), (112, 2510624), (128, 2196796), (134, 2098432), (224, 1255312), (256, 1098398), (268, 1049216), (448, 627656), (469, 599552), (512, 549199), (536, 524608), (896, 313828), (938, 299776), (1072, 262304), (1171, 240128), (1792, 156914), (1876, 149888), (2144, 131152), (2342, 120064), (3584, 78457), (3752, 74944), (4288, 65576), (4684, 60032), (7504, 37472), (8197, 34304), (8576, 32788), (9368, 30016), (15008, 18736), (16394, 17152)]