16205238

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 42155520

約数和(自身を除く): 25950282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 43, 54, 63, 86, 126, 129, 189, 258, 301, 378, 387, 602, 774, 903, 997, 1161, 1806, 1994, 2322, 2709, 2991, 5418, 5982, 6979, 8127, 8973, 13958, 16254, 17946, 20937, 26919, 41874, 42871, 53838, 62811, 85742, 125622, 128613, 188433, 257226, 300097, 376866, 385839, 600194, 771678, 900291, 1157517, 1800582, 2315034, 2700873, 5401746, 8102619, 16205238]

約数ペア:

[(1, 16205238), (2, 8102619), (3, 5401746), (6, 2700873), (7, 2315034), (9, 1800582), (14, 1157517), (18, 900291), (21, 771678), (27, 600194), (42, 385839), (43, 376866), (54, 300097), (63, 257226), (86, 188433), (126, 128613), (129, 125622), (189, 85742), (258, 62811), (301, 53838), (378, 42871), (387, 41874), (602, 26919), (774, 20937), (903, 17946), (997, 16254), (1161, 13958), (1806, 8973), (1994, 8127), (2322, 6979), (2709, 5982), (2991, 5418)]