397168

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:352

約数の個数: 20

約数和(自身を含む): 780208

約数和(自身を除く): 383040

約数列:

[1, 2, 4, 8, 16, 103, 206, 241, 412, 482, 824, 964, 1648, 1928, 3856, 24823, 49646, 99292, 198584, 397168]

約数ペア:

[(1, 397168), (2, 198584), (4, 99292), (8, 49646), (16, 24823), (103, 3856), (206, 1928), (241, 1648), (412, 964), (482, 824)]