220897468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{27737}}^1$

素因数の和:27933

約数の個数: 24

約数和(自身を含む): 424058544

約数和(自身を除く): 203161076

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 27737, 55474, 110948, 305107, 610214, 1220428, 5020397, 10040794, 20081588, 55224367, 110448734, 220897468]

約数ペア:

[(1, 220897468), (2, 110448734), (4, 55224367), (11, 20081588), (22, 10040794), (44, 5020397), (181, 1220428), (362, 610214), (724, 305107), (1991, 110948), (3982, 55474), (7964, 27737)]