266252

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 549024

約数和(自身を除く): 282772

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 257, 259, 514, 518, 1028, 1036, 1799, 3598, 7196, 9509, 19018, 38036, 66563, 133126, 266252]

約数ペア:

[(1, 266252), (2, 133126), (4, 66563), (7, 38036), (14, 19018), (28, 9509), (37, 7196), (74, 3598), (148, 1799), (257, 1036), (259, 1028), (514, 518)]