256486266

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{491353}}^1$

素因数の和:491390

約数の個数: 24

約数和(自身を含む): 574884180

約数和(自身を除く): 318397914

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 491353, 982706, 1474059, 2948118, 4422177, 8844354, 14249237, 28498474, 42747711, 85495422, 128243133, 256486266]

約数ペア:

[(1, 256486266), (2, 128243133), (3, 85495422), (6, 42747711), (9, 28498474), (18, 14249237), (29, 8844354), (58, 4422177), (87, 2948118), (174, 1474059), (261, 982706), (522, 491353)]