257777422

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{17033}}^1$

素因数の和:17112

約数の個数: 32

約数和(自身を含む): 470956032

約数和(自身を除く): 213178610

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 2162, 7567, 15134, 17033, 34066, 119231, 238462, 391759, 783518, 800551, 1601102, 2742313, 5484626, 5603857, 11207714, 18412673, 36825346, 128888711, 257777422]

約数ペア:

[(1, 257777422), (2, 128888711), (7, 36825346), (14, 18412673), (23, 11207714), (46, 5603857), (47, 5484626), (94, 2742313), (161, 1601102), (322, 800551), (329, 783518), (658, 391759), (1081, 238462), (2162, 119231), (7567, 34066), (15134, 17033)]