255508736

素因数分解:

$2^8\times 7^2\times {\mathrm{20369}}^1$

素因数の和:20399

約数の個数: 54

約数和(自身を含む): 593316990

約数和(自身を除く): 337808254

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1792, 3136, 6272, 12544, 20369, 40738, 81476, 142583, 162952, 285166, 325904, 570332, 651808, 998081, 1140664, 1303616, 1996162, 2281328, 2607232, 3992324, 4562656, 5214464, 7984648, 9125312, 15969296, 18250624, 31938592, 36501248, 63877184, 127754368, 255508736]

約数ペア:

[(1, 255508736), (2, 127754368), (4, 63877184), (7, 36501248), (8, 31938592), (14, 18250624), (16, 15969296), (28, 9125312), (32, 7984648), (49, 5214464), (56, 4562656), (64, 3992324), (98, 2607232), (112, 2281328), (128, 1996162), (196, 1303616), (224, 1140664), (256, 998081), (392, 651808), (448, 570332), (784, 325904), (896, 285166), (1568, 162952), (1792, 142583), (3136, 81476), (6272, 40738), (12544, 20369)]