198317615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{42061}}^1$

素因数の和:42130

約数の個数: 16

約数和(自身を含む): 254390976

約数和(自身を除く): 56073361

約数列:

[1, 5, 23, 41, 115, 205, 943, 4715, 42061, 210305, 967403, 1724501, 4837015, 8622505, 39663523, 198317615]

約数ペア:

[(1, 198317615), (5, 39663523), (23, 8622505), (41, 4837015), (115, 1724501), (205, 967403), (943, 210305), (4715, 42061)]