16981384

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1153}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 36558720

約数和(自身を除く): 19577336

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1153, 1841, 2104, 2306, 3682, 4612, 7364, 8071, 9224, 14728, 16142, 32284, 64568, 303239, 606478, 1212956, 2122673, 2425912, 4245346, 8490692, 16981384]

約数ペア:

[(1, 16981384), (2, 8490692), (4, 4245346), (7, 2425912), (8, 2122673), (14, 1212956), (28, 606478), (56, 303239), (263, 64568), (526, 32284), (1052, 16142), (1153, 14728), (1841, 9224), (2104, 8071), (2306, 7364), (3682, 4612)]