199587725

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{463}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 254424192

約数和(自身を除く): 54836467

約数列:

[1, 5, 25, 43, 215, 401, 463, 1075, 2005, 2315, 10025, 11575, 17243, 19909, 86215, 99545, 185663, 431075, 497725, 928315, 4641575, 7983509, 39917545, 199587725]

約数ペア:

[(1, 199587725), (5, 39917545), (25, 7983509), (43, 4641575), (215, 928315), (401, 497725), (463, 431075), (1075, 185663), (2005, 99545), (2315, 86215), (10025, 19909), (11575, 17243)]