89427281

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 99779328

約数和(自身を除く): 10352047

約数列:

[1, 19, 31, 61, 131, 361, 589, 1159, 1891, 2489, 4061, 7991, 11191, 22021, 35929, 47291, 77159, 151829, 247721, 682651, 1466021, 2884751, 4706699, 89427281]

約数ペア:

[(1, 89427281), (19, 4706699), (31, 2884751), (61, 1466021), (131, 682651), (361, 247721), (589, 151829), (1159, 77159), (1891, 47291), (2489, 35929), (4061, 22021), (7991, 11191)]