221646712

素因数分解:

$2^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{8263}}^1$

素因数の和:8755

約数の個数: 32

約数和(自身を含む): 476006400

約数和(自身を除く): 254359688

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 479, 958, 1916, 3353, 3832, 6706, 8263, 13412, 16526, 26824, 33052, 57841, 66104, 115682, 231364, 462728, 3957977, 7915954, 15831908, 27705839, 31663816, 55411678, 110823356, 221646712]

約数ペア:

[(1, 221646712), (2, 110823356), (4, 55411678), (7, 31663816), (8, 27705839), (14, 15831908), (28, 7915954), (56, 3957977), (479, 462728), (958, 231364), (1916, 115682), (3353, 66104), (3832, 57841), (6706, 33052), (8263, 26824), (13412, 16526)]