991015424

素因数分解:

$2^9\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2447}}^1$

素因数の和:2585

約数の個数: 80

約数和(自身を含む): 2283925248

約数和(自身を除く): 1292909824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 224, 226, 256, 448, 452, 512, 791, 896, 904, 1582, 1792, 1808, 2447, 3164, 3584, 3616, 4894, 6328, 7232, 9788, 12656, 14464, 17129, 19576, 25312, 28928, 34258, 39152, 50624, 57856, 68516, 78304, 101248, 137032, 156608, 202496, 274064, 276511, 313216, 404992, 548128, 553022, 626432, 1096256, 1106044, 1252864, 1935577, 2192512, 2212088, 3871154, 4385024, 4424176, 7742308, 8770048, 8848352, 15484616, 17696704, 30969232, 35393408, 61938464, 70786816, 123876928, 141573632, 247753856, 495507712, 991015424]

約数ペア:

[(1, 991015424), (2, 495507712), (4, 247753856), (7, 141573632), (8, 123876928), (14, 70786816), (16, 61938464), (28, 35393408), (32, 30969232), (56, 17696704), (64, 15484616), (112, 8848352), (113, 8770048), (128, 7742308), (224, 4424176), (226, 4385024), (256, 3871154), (448, 2212088), (452, 2192512), (512, 1935577), (791, 1252864), (896, 1106044), (904, 1096256), (1582, 626432), (1792, 553022), (1808, 548128), (2447, 404992), (3164, 313216), (3584, 276511), (3616, 274064), (4894, 202496), (6328, 156608), (7232, 137032), (9788, 101248), (12656, 78304), (14464, 68516), (17129, 57856), (19576, 50624), (25312, 39152), (28928, 34258)]