221328128

素因数分解:

$2^8\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1093}}^1$

素因数の和:1229

約数の個数: 72

約数和(自身を含む): 509839008

約数和(自身を除く): 288510880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 224, 226, 256, 448, 452, 791, 896, 904, 1093, 1582, 1792, 1808, 2186, 3164, 3616, 4372, 6328, 7232, 7651, 8744, 12656, 14464, 15302, 17488, 25312, 28928, 30604, 34976, 50624, 61208, 69952, 101248, 122416, 123509, 139904, 202496, 244832, 247018, 279808, 489664, 494036, 864563, 979328, 988072, 1729126, 1958656, 1976144, 3458252, 3952288, 6916504, 7904576, 13833008, 15809152, 27666016, 31618304, 55332032, 110664064, 221328128]

約数ペア:

[(1, 221328128), (2, 110664064), (4, 55332032), (7, 31618304), (8, 27666016), (14, 15809152), (16, 13833008), (28, 7904576), (32, 6916504), (56, 3952288), (64, 3458252), (112, 1976144), (113, 1958656), (128, 1729126), (224, 988072), (226, 979328), (256, 864563), (448, 494036), (452, 489664), (791, 279808), (896, 247018), (904, 244832), (1093, 202496), (1582, 139904), (1792, 123509), (1808, 122416), (2186, 101248), (3164, 69952), (3616, 61208), (4372, 50624), (6328, 34976), (7232, 30604), (7651, 28928), (8744, 25312), (12656, 17488), (14464, 15302)]