201225515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{4651}}^1$

素因数の和:5182

約数の個数: 16

約数和(自身を含む): 256232160

約数和(自身を除く): 55006645

約数列:

[1, 5, 17, 85, 509, 2545, 4651, 8653, 23255, 43265, 79067, 395335, 2367359, 11836795, 40245103, 201225515]

約数ペア:

[(1, 201225515), (5, 40245103), (17, 11836795), (85, 2367359), (509, 395335), (2545, 79067), (4651, 43265), (8653, 23255)]