13878025

素因数分解:

$5^2\times 7^2\times {\mathrm{11329}}^1$

素因数の和:11353

約数の個数: 18

約数和(自身を含む): 20020110

約数和(自身を除く): 6142085

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 11329, 56645, 79303, 283225, 396515, 555121, 1982575, 2775605, 13878025]

約数ペア:

[(1, 13878025), (5, 2775605), (7, 1982575), (25, 555121), (35, 396515), (49, 283225), (175, 79303), (245, 56645), (1225, 11329)]