218944978

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{99611}}^1$

素因数の和:99777

約数の個数: 16

約数和(自身を含む): 377728704

約数和(自身を除く): 158783726

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 99611, 199222, 697277, 1394554, 15638927, 31277854, 109472489, 218944978]

約数ペア:

[(1, 218944978), (2, 109472489), (7, 31277854), (14, 15638927), (157, 1394554), (314, 697277), (1099, 199222), (2198, 99611)]