257788134

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{1399}}^1$

素因数の和:1789

約数の個数: 48

約数和(自身を含む): 579852000

約数和(自身を除く): 322063866

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 353, 522, 706, 1059, 1399, 2118, 2798, 3177, 4197, 6354, 8394, 10237, 12591, 20474, 25182, 30711, 40571, 61422, 81142, 92133, 121713, 184266, 243426, 365139, 493847, 730278, 987694, 1481541, 2963082, 4444623, 8889246, 14321563, 28643126, 42964689, 85929378, 128894067, 257788134]

約数ペア:

[(1, 257788134), (2, 128894067), (3, 85929378), (6, 42964689), (9, 28643126), (18, 14321563), (29, 8889246), (58, 4444623), (87, 2963082), (174, 1481541), (261, 987694), (353, 730278), (522, 493847), (706, 365139), (1059, 243426), (1399, 184266), (2118, 121713), (2798, 92133), (3177, 81142), (4197, 61422), (6354, 40571), (8394, 30711), (10237, 25182), (12591, 20474)]