129631390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1851877}}^1$

素因数の和:1851891

約数の個数: 16

約数和(自身を含む): 266670432

約数和(自身を除く): 137039042

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1851877, 3703754, 9259385, 12963139, 18518770, 25926278, 64815695, 129631390]

約数ペア:

[(1, 129631390), (2, 64815695), (5, 25926278), (7, 18518770), (10, 12963139), (14, 9259385), (35, 3703754), (70, 1851877)]