989728

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 24

約数和(自身を含む): 1970892

約数和(自身を除く): 981164

約数列:

[1, 2, 4, 8, 16, 32, 157, 197, 314, 394, 628, 788, 1256, 1576, 2512, 3152, 5024, 6304, 30929, 61858, 123716, 247432, 494864, 989728]

約数ペア:

[(1, 989728), (2, 494864), (4, 247432), (8, 123716), (16, 61858), (32, 30929), (157, 6304), (197, 5024), (314, 3152), (394, 2512), (628, 1576), (788, 1256)]