257215422

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{6691}}^1$

素因数の和:6888

約数の個数: 32

約数和(自身を含む): 530006400

約数和(自身を除く): 272790978

約数列:

[1, 2, 3, 6, 43, 86, 129, 149, 258, 298, 447, 894, 6407, 6691, 12814, 13382, 19221, 20073, 38442, 40146, 287713, 575426, 863139, 996959, 1726278, 1993918, 2990877, 5981754, 42869237, 85738474, 128607711, 257215422]

約数ペア:

[(1, 257215422), (2, 128607711), (3, 85738474), (6, 42869237), (43, 5981754), (86, 2990877), (129, 1993918), (149, 1726278), (258, 996959), (298, 863139), (447, 575426), (894, 287713), (6407, 40146), (6691, 38442), (12814, 20073), (13382, 19221)]