640439882

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1\times {\mathrm{3433}}^1$

素因数の和:5993

約数の個数: 16

約数和(自身を含む): 987302472

約数和(自身を除く): 346862590

約数列:

[1, 2, 37, 74, 2521, 3433, 5042, 6866, 93277, 127021, 186554, 254042, 8654593, 17309186, 320219941, 640439882]

約数ペア:

[(1, 640439882), (2, 320219941), (37, 17309186), (74, 8654593), (2521, 254042), (3433, 186554), (5042, 127021), (6866, 93277)]