1280497792

素因数分解:

$2^7\times 7^2\times {\mathrm{204161}}^1$

素因数の和:204189

約数の個数: 48

約数和(自身を含む): 2967494670

約数和(自身を除く): 1686996878

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 204161, 408322, 816644, 1429127, 1633288, 2858254, 3266576, 5716508, 6533152, 10003889, 11433016, 13066304, 20007778, 22866032, 26132608, 40015556, 45732064, 80031112, 91464128, 160062224, 182928256, 320124448, 640248896, 1280497792]

約数ペア:

[(1, 1280497792), (2, 640248896), (4, 320124448), (7, 182928256), (8, 160062224), (14, 91464128), (16, 80031112), (28, 45732064), (32, 40015556), (49, 26132608), (56, 22866032), (64, 20007778), (98, 13066304), (112, 11433016), (128, 10003889), (196, 6533152), (224, 5716508), (392, 3266576), (448, 2858254), (784, 1633288), (896, 1429127), (1568, 816644), (3136, 408322), (6272, 204161)]