25870916

素因数分解:

$2^2\times {\mathrm{127}}^2\times {\mathrm{401}}^1$

素因数の和:659

約数の個数: 18

約数和(自身を含む): 45747198

約数和(自身を除く): 19876282

約数列:

[1, 2, 4, 127, 254, 401, 508, 802, 1604, 16129, 32258, 50927, 64516, 101854, 203708, 6467729, 12935458, 25870916]

約数ペア:

[(1, 25870916), (2, 12935458), (4, 6467729), (127, 203708), (254, 101854), (401, 64516), (508, 50927), (802, 32258), (1604, 16129)]