851248

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:732

約数の個数: 20

約数和(自身を含む): 1671768

約数和(自身を除く): 820520

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 641, 664, 1282, 1328, 2564, 5128, 10256, 53203, 106406, 212812, 425624, 851248]

約数ペア:

[(1, 851248), (2, 425624), (4, 212812), (8, 106406), (16, 53203), (83, 10256), (166, 5128), (332, 2564), (641, 1328), (664, 1282)]