320661992

素因数分解:

$2^3\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{4093}}^1$

素因数の和:5505

約数の個数: 32

約数和(自身を含む): 687792000

約数和(自身を除く): 367130008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1399, 2798, 4093, 5596, 8186, 9793, 11192, 16372, 19586, 28651, 32744, 39172, 57302, 78344, 114604, 229208, 5726107, 11452214, 22904428, 40082749, 45808856, 80165498, 160330996, 320661992]

約数ペア:

[(1, 320661992), (2, 160330996), (4, 80165498), (7, 45808856), (8, 40082749), (14, 22904428), (28, 11452214), (56, 5726107), (1399, 229208), (2798, 114604), (4093, 78344), (5596, 57302), (8186, 39172), (9793, 32744), (11192, 28651), (16372, 19586)]