256996915

素因数分解:

$5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{4621}}^1$

素因数の和:4867

約数の個数: 24

約数和(自身を含む): 360405072

約数和(自身を除く): 103408157

約数列:

[1, 5, 7, 35, 49, 227, 245, 1135, 1589, 4621, 7945, 11123, 23105, 32347, 55615, 161735, 226429, 1048967, 1132145, 5244835, 7342769, 36713845, 51399383, 256996915]

約数ペア:

[(1, 256996915), (5, 51399383), (7, 36713845), (35, 7342769), (49, 5244835), (227, 1132145), (245, 1048967), (1135, 226429), (1589, 161735), (4621, 55615), (7945, 32347), (11123, 23105)]