80996412

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 221652480

約数和(自身を除く): 140656068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 139, 147, 196, 278, 294, 417, 556, 588, 834, 973, 991, 1668, 1946, 1982, 2919, 2973, 3892, 3964, 5838, 5946, 6811, 6937, 11676, 11892, 13622, 13874, 20433, 20811, 27244, 27748, 40866, 41622, 48559, 81732, 83244, 97118, 137749, 145677, 194236, 275498, 291354, 413247, 550996, 582708, 826494, 964243, 1652988, 1928486, 2892729, 3856972, 5785458, 6749701, 11570916, 13499402, 20249103, 26998804, 40498206, 80996412]

約数ペア:

[(1, 80996412), (2, 40498206), (3, 26998804), (4, 20249103), (6, 13499402), (7, 11570916), (12, 6749701), (14, 5785458), (21, 3856972), (28, 2892729), (42, 1928486), (49, 1652988), (84, 964243), (98, 826494), (139, 582708), (147, 550996), (196, 413247), (278, 291354), (294, 275498), (417, 194236), (556, 145677), (588, 137749), (834, 97118), (973, 83244), (991, 81732), (1668, 48559), (1946, 41622), (1982, 40866), (2919, 27748), (2973, 27244), (3892, 20811), (3964, 20433), (5838, 13874), (5946, 13622), (6811, 11892), (6937, 11676)]