397557328

素因数分解:

$2^4\times 7^1\times {\mathrm{3549619}}^1$

素因数の和:3549634

約数の個数: 20

約数和(自身を含む): 880305760

約数和(自身を除く): 482748432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 3549619, 7099238, 14198476, 24847333, 28396952, 49694666, 56793904, 99389332, 198778664, 397557328]

約数ペア:

[(1, 397557328), (2, 198778664), (4, 99389332), (7, 56793904), (8, 49694666), (14, 28396952), (16, 24847333), (28, 14198476), (56, 7099238), (112, 3549619)]