81883724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 159700800

約数和(自身を除く): 77817076

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 193, 199, 386, 398, 533, 772, 796, 1066, 2132, 2509, 2587, 5018, 5174, 7913, 8159, 10036, 10348, 15826, 16318, 31652, 32636, 38407, 76814, 102869, 106067, 153628, 205738, 212134, 411476, 424268, 499291, 998582, 1574687, 1997164, 3149374, 6298748, 20470931, 40941862, 81883724]

約数ペア:

[(1, 81883724), (2, 40941862), (4, 20470931), (13, 6298748), (26, 3149374), (41, 1997164), (52, 1574687), (82, 998582), (164, 499291), (193, 424268), (199, 411476), (386, 212134), (398, 205738), (533, 153628), (772, 106067), (796, 102869), (1066, 76814), (2132, 38407), (2509, 32636), (2587, 31652), (5018, 16318), (5174, 15826), (7913, 10348), (8159, 10036)]