27880048

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 65710080

約数和(自身を除く): 37830032

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 79, 92, 112, 137, 158, 161, 184, 274, 316, 322, 368, 548, 553, 632, 644, 959, 1096, 1106, 1264, 1288, 1817, 1918, 2192, 2212, 2576, 3151, 3634, 3836, 4424, 6302, 7268, 7672, 8848, 10823, 12604, 12719, 14536, 15344, 21646, 22057, 25208, 25438, 29072, 43292, 44114, 50416, 50876, 75761, 86584, 88228, 101752, 151522, 173168, 176456, 203504, 248929, 303044, 352912, 497858, 606088, 995716, 1212176, 1742503, 1991432, 3485006, 3982864, 6970012, 13940024, 27880048]

約数ペア:

[(1, 27880048), (2, 13940024), (4, 6970012), (7, 3982864), (8, 3485006), (14, 1991432), (16, 1742503), (23, 1212176), (28, 995716), (46, 606088), (56, 497858), (79, 352912), (92, 303044), (112, 248929), (137, 203504), (158, 176456), (161, 173168), (184, 151522), (274, 101752), (316, 88228), (322, 86584), (368, 75761), (548, 50876), (553, 50416), (632, 44114), (644, 43292), (959, 29072), (1096, 25438), (1106, 25208), (1264, 22057), (1288, 21646), (1817, 15344), (1918, 14536), (2192, 12719), (2212, 12604), (2576, 10823), (3151, 8848), (3634, 7672), (3836, 7268), (4424, 6302)]