2009091715

素因数分解:

$5^1\times {\mathrm{487}}^1\times {\mathrm{509}}^1\times {\mathrm{1621}}^1$

素因数の和:2622

約数の個数: 16

約数和(自身を含む): 2422100160

約数和(自身を除く): 413008445

約数列:

[1, 5, 487, 509, 1621, 2435, 2545, 8105, 247883, 789427, 825089, 1239415, 3947135, 4125445, 401818343, 2009091715]

約数ペア:

[(1, 2009091715), (5, 401818343), (487, 4125445), (509, 3947135), (1621, 1239415), (2435, 825089), (2545, 789427), (8105, 247883)]