27968428

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 49850640

約数和(自身を除く): 21882212

約数列:

[1, 2, 4, 89, 178, 251, 313, 356, 502, 626, 1004, 1252, 22339, 27857, 44678, 55714, 78563, 89356, 111428, 157126, 314252, 6992107, 13984214, 27968428]

約数ペア:

[(1, 27968428), (2, 13984214), (4, 6992107), (89, 314252), (178, 157126), (251, 111428), (313, 89356), (356, 78563), (502, 55714), (626, 44678), (1004, 27857), (1252, 22339)]