128362248

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1267

約数の個数: 96

約数和(自身を含む): 399260160

約数和(自身を除く): 270897912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 257, 504, 514, 771, 991, 1028, 1542, 1799, 1982, 2056, 2313, 2973, 3084, 3598, 3964, 4626, 5397, 5946, 6168, 6937, 7196, 7928, 8919, 9252, 10794, 11892, 13874, 14392, 16191, 17838, 18504, 20811, 21588, 23784, 27748, 32382, 35676, 41622, 43176, 55496, 62433, 64764, 71352, 83244, 124866, 129528, 166488, 249732, 254687, 499464, 509374, 764061, 1018748, 1528122, 1782809, 2037496, 2292183, 3056244, 3565618, 4584366, 5348427, 6112488, 7131236, 9168732, 10696854, 14262472, 16045281, 18337464, 21393708, 32090562, 42787416, 64181124, 128362248]

約数ペア:

[(1, 128362248), (2, 64181124), (3, 42787416), (4, 32090562), (6, 21393708), (7, 18337464), (8, 16045281), (9, 14262472), (12, 10696854), (14, 9168732), (18, 7131236), (21, 6112488), (24, 5348427), (28, 4584366), (36, 3565618), (42, 3056244), (56, 2292183), (63, 2037496), (72, 1782809), (84, 1528122), (126, 1018748), (168, 764061), (252, 509374), (257, 499464), (504, 254687), (514, 249732), (771, 166488), (991, 129528), (1028, 124866), (1542, 83244), (1799, 71352), (1982, 64764), (2056, 62433), (2313, 55496), (2973, 43176), (3084, 41622), (3598, 35676), (3964, 32382), (4626, 27748), (5397, 23784), (5946, 21588), (6168, 20811), (6937, 18504), (7196, 17838), (7928, 16191), (8919, 14392), (9252, 13874), (10794, 11892)]