131014912

素因数分解:

$2^8\times 7^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 301988736

約数和(自身を除く): 170973824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 224, 226, 256, 448, 452, 647, 791, 896, 904, 1294, 1582, 1792, 1808, 2588, 3164, 3616, 4529, 5176, 6328, 7232, 9058, 10352, 12656, 14464, 18116, 20704, 25312, 28928, 36232, 41408, 50624, 72464, 73111, 82816, 101248, 144928, 146222, 165632, 202496, 289856, 292444, 511777, 579712, 584888, 1023554, 1159424, 1169776, 2047108, 2339552, 4094216, 4679104, 8188432, 9358208, 16376864, 18716416, 32753728, 65507456, 131014912]

約数ペア:

[(1, 131014912), (2, 65507456), (4, 32753728), (7, 18716416), (8, 16376864), (14, 9358208), (16, 8188432), (28, 4679104), (32, 4094216), (56, 2339552), (64, 2047108), (112, 1169776), (113, 1159424), (128, 1023554), (224, 584888), (226, 579712), (256, 511777), (448, 292444), (452, 289856), (647, 202496), (791, 165632), (896, 146222), (904, 144928), (1294, 101248), (1582, 82816), (1792, 73111), (1808, 72464), (2588, 50624), (3164, 41408), (3616, 36232), (4529, 28928), (5176, 25312), (6328, 20704), (7232, 18116), (9058, 14464), (10352, 12656)]