218553328

素因数分解:

$2^4\times 7^2\times {\mathrm{278767}}^1$

素因数の和:278789

約数の個数: 30

約数和(自身を含む): 492583056

約数和(自身を除く): 274029728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 278767, 557534, 1115068, 1951369, 2230136, 3902738, 4460272, 7805476, 13659583, 15610952, 27319166, 31221904, 54638332, 109276664, 218553328]

約数ペア:

[(1, 218553328), (2, 109276664), (4, 54638332), (7, 31221904), (8, 27319166), (14, 15610952), (16, 13659583), (28, 7805476), (49, 4460272), (56, 3902738), (98, 2230136), (112, 1951369), (196, 1115068), (392, 557534), (784, 278767)]