668164

素因数分解:

$2^2\times 7^3\times {\mathrm{487}}^1$

素因数の和:512

約数の個数: 24

約数和(自身を含む): 1366400

約数和(自身を除く): 698236

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 487, 686, 974, 1372, 1948, 3409, 6818, 13636, 23863, 47726, 95452, 167041, 334082, 668164]

約数ペア:

[(1, 668164), (2, 334082), (4, 167041), (7, 95452), (14, 47726), (28, 23863), (49, 13636), (98, 6818), (196, 3409), (343, 1948), (487, 1372), (686, 974)]