248340736

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{997}}^1$

素因数の和:1159

約数の個数: 72

約数和(自身を含む): 571175360

約数和(自身を除く): 322834624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 896, 973, 997, 1112, 1792, 1946, 1994, 2224, 3892, 3988, 4448, 6979, 7784, 7976, 8896, 13958, 15568, 15952, 17792, 27916, 31136, 31904, 35584, 55832, 62272, 63808, 111664, 124544, 127616, 138583, 223328, 249088, 255232, 277166, 446656, 554332, 893312, 970081, 1108664, 1786624, 1940162, 2217328, 3880324, 4434656, 7760648, 8869312, 15521296, 17738624, 31042592, 35477248, 62085184, 124170368, 248340736]

約数ペア:

[(1, 248340736), (2, 124170368), (4, 62085184), (7, 35477248), (8, 31042592), (14, 17738624), (16, 15521296), (28, 8869312), (32, 7760648), (56, 4434656), (64, 3880324), (112, 2217328), (128, 1940162), (139, 1786624), (224, 1108664), (256, 970081), (278, 893312), (448, 554332), (556, 446656), (896, 277166), (973, 255232), (997, 249088), (1112, 223328), (1792, 138583), (1946, 127616), (1994, 124544), (2224, 111664), (3892, 63808), (3988, 62272), (4448, 55832), (6979, 35584), (7784, 31904), (7976, 31136), (8896, 27916), (13958, 17792), (15568, 15952)]