255686872

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{123401}}^1$

素因数の和:123451

約数の個数: 32

約数和(自身を含む): 562713120

約数和(自身を除く): 307026248

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 123401, 246802, 493604, 863807, 987208, 1727614, 3455228, 4565837, 6910456, 9131674, 18263348, 31960859, 36526696, 63921718, 127843436, 255686872]

約数ペア:

[(1, 255686872), (2, 127843436), (4, 63921718), (7, 36526696), (8, 31960859), (14, 18263348), (28, 9131674), (37, 6910456), (56, 4565837), (74, 3455228), (148, 1727614), (259, 987208), (296, 863807), (518, 493604), (1036, 246802), (2072, 123401)]