1081136

素因数分解:

$2^4\times 7^3\times {\mathrm{197}}^1$

素因数の和:226

約数の個数: 40

約数和(自身を含む): 2455200

約数和(自身を除く): 1374064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 197, 343, 392, 394, 686, 784, 788, 1372, 1379, 1576, 2744, 2758, 3152, 5488, 5516, 9653, 11032, 19306, 22064, 38612, 67571, 77224, 135142, 154448, 270284, 540568, 1081136]

約数ペア:

[(1, 1081136), (2, 540568), (4, 270284), (7, 154448), (8, 135142), (14, 77224), (16, 67571), (28, 38612), (49, 22064), (56, 19306), (98, 11032), (112, 9653), (196, 5516), (197, 5488), (343, 3152), (392, 2758), (394, 2744), (686, 1576), (784, 1379), (788, 1372)]