13878725

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 19963008

約数和(自身を除く): 6084283

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 1117, 1775, 2485, 5585, 7819, 12425, 27925, 39095, 79307, 195475, 396535, 555149, 1982675, 2775745, 13878725]

約数ペア:

[(1, 13878725), (5, 2775745), (7, 1982675), (25, 555149), (35, 396535), (71, 195475), (175, 79307), (355, 39095), (497, 27925), (1117, 12425), (1775, 7819), (2485, 5585)]