256608612

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{548309}}^1$

素因数の和:548332

約数の個数: 36

約数和(自身を含む): 698546940

約数和(自身を除く): 441938328

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 548309, 1096618, 1644927, 2193236, 3289854, 4934781, 6579708, 7128017, 9869562, 14256034, 19739124, 21384051, 28512068, 42768102, 64152153, 85536204, 128304306, 256608612]

約数ペア:

[(1, 256608612), (2, 128304306), (3, 85536204), (4, 64152153), (6, 42768102), (9, 28512068), (12, 21384051), (13, 19739124), (18, 14256034), (26, 9869562), (36, 7128017), (39, 6579708), (52, 4934781), (78, 3289854), (117, 2193236), (156, 1644927), (234, 1096618), (468, 548309)]