1243391345

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{755861}}^1$

素因数の和:755920

約数の個数: 16

約数和(自身を含む): 1741506048

約数和(自身を除く): 498114703

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 755861, 3779305, 5291027, 26455135, 35525467, 177627335, 248678269, 1243391345]

約数ペア:

[(1, 1243391345), (5, 248678269), (7, 177627335), (35, 35525467), (47, 26455135), (235, 5291027), (329, 3779305), (1645, 755861)]