138791870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1982741}}^1$

素因数の和:1982755

約数の個数: 16

約数和(自身を含む): 285514848

約数和(自身を除く): 146722978

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1982741, 3965482, 9913705, 13879187, 19827410, 27758374, 69395935, 138791870]

約数ペア:

[(1, 138791870), (2, 69395935), (5, 27758374), (7, 19827410), (10, 13879187), (14, 9913705), (35, 3965482), (70, 1982741)]