256775008

素因数分解:

$2^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{4567}}^1$

素因数の和:4835

約数の個数: 48

約数和(自身を含む): 580172544

約数和(自身を除く): 323397536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 251, 502, 1004, 1757, 2008, 3514, 4016, 4567, 7028, 8032, 9134, 14056, 18268, 28112, 31969, 36536, 56224, 63938, 73072, 127876, 146144, 255752, 511504, 1023008, 1146317, 2292634, 4585268, 8024219, 9170536, 16048438, 18341072, 32096876, 36682144, 64193752, 128387504, 256775008]

約数ペア:

[(1, 256775008), (2, 128387504), (4, 64193752), (7, 36682144), (8, 32096876), (14, 18341072), (16, 16048438), (28, 9170536), (32, 8024219), (56, 4585268), (112, 2292634), (224, 1146317), (251, 1023008), (502, 511504), (1004, 255752), (1757, 146144), (2008, 127876), (3514, 73072), (4016, 63938), (4567, 56224), (7028, 36536), (8032, 31969), (9134, 28112), (14056, 18268)]