28390418

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{88169}}^1$

素因数の和:88201

約数の個数: 16

約数和(自身を含む): 50785920

約数和(自身を除く): 22395502

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 88169, 176338, 617183, 1234366, 2027887, 4055774, 14195209, 28390418]

約数ペア:

[(1, 28390418), (2, 14195209), (7, 4055774), (14, 2027887), (23, 1234366), (46, 617183), (161, 176338), (322, 88169)]