642289714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{411197}}^1$

素因数の和:411281

約数の個数: 16

約数和(自身を含む): 1065825216

約数和(自身を除く): 423535502

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 411197, 822394, 4523167, 9046334, 29194987, 58389974, 321144857, 642289714]

約数ペア:

[(1, 642289714), (2, 321144857), (11, 58389974), (22, 29194987), (71, 9046334), (142, 4523167), (781, 822394), (1562, 411197)]