256594

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 16

約数和(自身を含む): 423360

約数和(自身を除く): 166766

約数列:

[1, 2, 13, 26, 71, 139, 142, 278, 923, 1807, 1846, 3614, 9869, 19738, 128297, 256594]

約数ペア:

[(1, 256594), (2, 128297), (13, 19738), (26, 9869), (71, 3614), (139, 1846), (142, 1807), (278, 923)]