278021296

素因数分解:

$2^4\times 7^2\times {\mathrm{354619}}^1$

素因数の和:354641

約数の個数: 30

約数和(自身を含む): 626613540

約数和(自身を除く): 348592244

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 354619, 709238, 1418476, 2482333, 2836952, 4964666, 5673904, 9929332, 17376331, 19858664, 34752662, 39717328, 69505324, 139010648, 278021296]

約数ペア:

[(1, 278021296), (2, 139010648), (4, 69505324), (7, 39717328), (8, 34752662), (14, 19858664), (16, 17376331), (28, 9929332), (49, 5673904), (56, 4964666), (98, 2836952), (112, 2482333), (196, 1418476), (392, 709238), (784, 354619)]