857641382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{128351}}^1$

素因数の和:128623

約数の個数: 16

約数和(自身を含む): 1390822272

約数和(自身を除く): 533180890

約数列:

[1, 2, 13, 26, 257, 514, 3341, 6682, 128351, 256702, 1668563, 3337126, 32986207, 65972414, 428820691, 857641382]

約数ペア:

[(1, 857641382), (2, 428820691), (13, 65972414), (26, 32986207), (257, 3337126), (514, 1668563), (3341, 256702), (6682, 128351)]