28490476

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6481}}^1$

素因数の和:6649

約数の個数: 24

約数和(自身を含む): 57352736

約数和(自身を除く): 28862260

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 6481, 12962, 25924, 45367, 90734, 181468, 1017517, 2035034, 4070068, 7122619, 14245238, 28490476]

約数ペア:

[(1, 28490476), (2, 14245238), (4, 7122619), (7, 4070068), (14, 2035034), (28, 1017517), (157, 181468), (314, 90734), (628, 45367), (1099, 25924), (2198, 12962), (4396, 6481)]