81135236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1627}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 176136576

約数和(自身を除く): 95001340

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 137, 182, 274, 364, 548, 959, 1627, 1781, 1918, 3254, 3562, 3836, 6508, 7124, 11389, 12467, 21151, 22778, 24934, 42302, 45556, 49868, 84604, 148057, 222899, 296114, 445798, 592228, 891596, 1560293, 2897687, 3120586, 5795374, 6241172, 11590748, 20283809, 40567618, 81135236]

約数ペア:

[(1, 81135236), (2, 40567618), (4, 20283809), (7, 11590748), (13, 6241172), (14, 5795374), (26, 3120586), (28, 2897687), (52, 1560293), (91, 891596), (137, 592228), (182, 445798), (274, 296114), (364, 222899), (548, 148057), (959, 84604), (1627, 49868), (1781, 45556), (1918, 42302), (3254, 24934), (3562, 22778), (3836, 21151), (6508, 12467), (7124, 11389)]