1320234565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{278237}}^1$

素因数の和:278328

約数の個数: 16

約数和(自身を含む): 1729527408

約数和(自身を除く): 409292843

約数列:

[1, 5, 13, 65, 73, 365, 949, 4745, 278237, 1391185, 3617081, 18085405, 20311301, 101556505, 264046913, 1320234565]

約数ペア:

[(1, 1320234565), (5, 264046913), (13, 101556505), (65, 20311301), (73, 18085405), (365, 3617081), (949, 1391185), (4745, 278237)]