81751992

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{9931}}^1$

素因数の和:9961

約数の個数: 64

約数和(自身を含む): 238368000

約数和(自身を除く): 156616008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 9931, 19862, 29793, 39724, 59586, 69517, 79448, 119172, 139034, 208551, 238344, 278068, 417102, 486619, 556136, 834204, 973238, 1459857, 1668408, 1946476, 2919714, 3406333, 3892952, 5839428, 6812666, 10218999, 11678856, 13625332, 20437998, 27250664, 40875996, 81751992]

約数ペア:

[(1, 81751992), (2, 40875996), (3, 27250664), (4, 20437998), (6, 13625332), (7, 11678856), (8, 10218999), (12, 6812666), (14, 5839428), (21, 3892952), (24, 3406333), (28, 2919714), (42, 1946476), (49, 1668408), (56, 1459857), (84, 973238), (98, 834204), (147, 556136), (168, 486619), (196, 417102), (294, 278068), (343, 238344), (392, 208551), (588, 139034), (686, 119172), (1029, 79448), (1176, 69517), (1372, 59586), (2058, 39724), (2744, 29793), (4116, 19862), (8232, 9931)]