639804544

素因数分解:

$2^7\times {\mathrm{1123}}^1\times {\mathrm{4451}}^1$

素因数の和:5588

約数の個数: 32

約数和(自身を含む): 1276032240

約数和(自身を除く): 636227696

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1123, 2246, 4451, 4492, 8902, 8984, 17804, 17968, 35608, 35936, 71216, 71872, 142432, 143744, 284864, 569728, 4998473, 9996946, 19993892, 39987784, 79975568, 159951136, 319902272, 639804544]

約数ペア:

[(1, 639804544), (2, 319902272), (4, 159951136), (8, 79975568), (16, 39987784), (32, 19993892), (64, 9996946), (128, 4998473), (1123, 569728), (2246, 284864), (4451, 143744), (4492, 142432), (8902, 71872), (8984, 71216), (17804, 35936), (17968, 35608)]