1721272

素因数分解:

$2^3\times 7^2\times {\mathrm{4391}}^1$

素因数の和:4411

約数の個数: 24

約数和(自身を含む): 3755160

約数和(自身を除く): 2033888

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 4391, 8782, 17564, 30737, 35128, 61474, 122948, 215159, 245896, 430318, 860636, 1721272]

約数ペア:

[(1, 1721272), (2, 860636), (4, 430318), (7, 245896), (8, 215159), (14, 122948), (28, 61474), (49, 35128), (56, 30737), (98, 17564), (196, 8782), (392, 4391)]