28388558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{21871}}^1$

素因数の和:21943

約数の個数: 16

約数和(自身を含む): 47243520

約数和(自身を除く): 18854962

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 21871, 43742, 240581, 481162, 1290389, 2580778, 14194279, 28388558]

約数ペア:

[(1, 28388558), (2, 14194279), (11, 2580778), (22, 1290389), (59, 481162), (118, 240581), (649, 43742), (1298, 21871)]