687101168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{3303371}}^1$

素因数の和:3303392

約数の個数: 20

約数和(自身を含む): 1433663448

約数和(自身を除く): 746562280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 3303371, 6606742, 13213484, 26426968, 42943823, 52853936, 85887646, 171775292, 343550584, 687101168]

約数ペア:

[(1, 687101168), (2, 343550584), (4, 171775292), (8, 85887646), (13, 52853936), (16, 42943823), (26, 26426968), (52, 13213484), (104, 6606742), (208, 3303371)]