39131890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79861}}^1$

素因数の和:79882

約数の個数: 24

約数和(自身を含む): 81938412

約数和(自身を除く): 42806522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 79861, 159722, 399305, 559027, 798610, 1118054, 2795135, 3913189, 5590270, 7826378, 19565945, 39131890]

約数ペア:

[(1, 39131890), (2, 19565945), (5, 7826378), (7, 5590270), (10, 3913189), (14, 2795135), (35, 1118054), (49, 798610), (70, 559027), (98, 399305), (245, 159722), (490, 79861)]