28039888

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{24683}}^1$

素因数の和:24762

約数の個数: 20

約数和(自身を含む): 55094688

約数和(自身を除く): 27054800

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 24683, 49366, 98732, 197464, 394928, 1752493, 3504986, 7009972, 14019944, 28039888]

約数ペア:

[(1, 28039888), (2, 14019944), (4, 7009972), (8, 3504986), (16, 1752493), (71, 394928), (142, 197464), (284, 98732), (568, 49366), (1136, 24683)]