221193118

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{24971}}^1$

素因数の和:25119

約数の個数: 16

約数和(自身を含む): 342815616

約数和(自身を除く): 121622498

約数列:

[1, 2, 43, 86, 103, 206, 4429, 8858, 24971, 49942, 1073753, 2147506, 2572013, 5144026, 110596559, 221193118]

約数ペア:

[(1, 221193118), (2, 110596559), (43, 5144026), (86, 2572013), (103, 2147506), (206, 1073753), (4429, 49942), (8858, 24971)]