28390376

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8311}}^1$

素因数の和:8385

約数の個数: 32

約数和(自身を含む): 61841280

約数和(自身を除く): 33450904

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 8311, 16622, 33244, 58177, 66488, 116354, 232708, 465416, 506971, 1013942, 2027884, 3548797, 4055768, 7097594, 14195188, 28390376]

約数ペア:

[(1, 28390376), (2, 14195188), (4, 7097594), (7, 4055768), (8, 3548797), (14, 2027884), (28, 1013942), (56, 506971), (61, 465416), (122, 232708), (244, 116354), (427, 66488), (488, 58177), (854, 33244), (1708, 16622), (3416, 8311)]