686806004

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{34061}}^1$

素因数の和:34207

約数の個数: 18

約数和(自身を含む): 1219113042

約数和(自身を除く): 532307038

約数列:

[1, 2, 4, 71, 142, 284, 5041, 10082, 20164, 34061, 68122, 136244, 2418331, 4836662, 9673324, 171701501, 343403002, 686806004]

約数ペア:

[(1, 686806004), (2, 343403002), (4, 171701501), (71, 9673324), (142, 4836662), (284, 2418331), (5041, 136244), (10082, 68122), (20164, 34061)]