81993268

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{859}}^1$

素因数の和:1364

約数の個数: 36

約数和(自身を含む): 167452320

約数和(自身を除く): 85459052

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 859, 974, 1718, 1948, 3409, 3436, 6013, 6818, 12026, 13636, 23863, 24052, 42091, 47726, 84182, 95452, 168364, 418333, 836666, 1673332, 2928331, 5856662, 11713324, 20498317, 40996634, 81993268]

約数ペア:

[(1, 81993268), (2, 40996634), (4, 20498317), (7, 11713324), (14, 5856662), (28, 2928331), (49, 1673332), (98, 836666), (196, 418333), (487, 168364), (859, 95452), (974, 84182), (1718, 47726), (1948, 42091), (3409, 24052), (3436, 23863), (6013, 13636), (6818, 12026)]