638942272

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{63589}}^1$

素因数の和:63758

約数の個数: 28

約数和(自身を含む): 1275996940

約数和(自身を除く): 637054668

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 628, 1256, 2512, 5024, 10048, 63589, 127178, 254356, 508712, 1017424, 2034848, 4069696, 9983473, 19966946, 39933892, 79867784, 159735568, 319471136, 638942272]

約数ペア:

[(1, 638942272), (2, 319471136), (4, 159735568), (8, 79867784), (16, 39933892), (32, 19966946), (64, 9983473), (157, 4069696), (314, 2034848), (628, 1017424), (1256, 508712), (2512, 254356), (5024, 127178), (10048, 63589)]