2002945

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 2782080

約数和(自身を除く): 779135

約数列:

[1, 5, 7, 35, 89, 445, 623, 643, 3115, 3215, 4501, 22505, 57227, 286135, 400589, 2002945]

約数ペア:

[(1, 2002945), (5, 400589), (7, 286135), (35, 57227), (89, 22505), (445, 4501), (623, 3215), (643, 3115)]