278082259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{132863}}^1$

素因数の和:132906

約数の個数: 16

約数和(自身を含む): 357138432

約数和(自身を除く): 79056173

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 132863, 930041, 1727219, 3055849, 12090533, 21390943, 39726037, 278082259]

約数ペア:

[(1, 278082259), (7, 39726037), (13, 21390943), (23, 12090533), (91, 3055849), (161, 1727219), (299, 930041), (2093, 132863)]