28139718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{203911}}^1$

素因数の和:203939

約数の個数: 16

約数和(自身を含む): 58726656

約数和(自身を除く): 30586938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 203911, 407822, 611733, 1223466, 4689953, 9379906, 14069859, 28139718]

約数ペア:

[(1, 28139718), (2, 14069859), (3, 9379906), (6, 4689953), (23, 1223466), (46, 611733), (69, 407822), (138, 203911)]