6401965

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 8027136

約数和(自身を除く): 1625171

約数列:

[1, 5, 31, 103, 155, 401, 515, 2005, 3193, 12431, 15965, 41303, 62155, 206515, 1280393, 6401965]

約数ペア:

[(1, 6401965), (5, 1280393), (31, 206515), (103, 62155), (155, 41303), (401, 15965), (515, 12431), (2005, 3193)]