381808

素因数分解:

$2^4\times 7^2\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 30

約数和(自身を含む): 862296

約数和(自身を除く): 480488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 487, 784, 974, 1948, 3409, 3896, 6818, 7792, 13636, 23863, 27272, 47726, 54544, 95452, 190904, 381808]

約数ペア:

[(1, 381808), (2, 190904), (4, 95452), (7, 54544), (8, 47726), (14, 27272), (16, 23863), (28, 13636), (49, 7792), (56, 6818), (98, 3896), (112, 3409), (196, 1948), (392, 974), (487, 784)]