348309025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{5689}}^1$

素因数の和:5809

約数の個数: 24

約数和(自身を含む): 451558400

約数和(自身を除く): 103249375

約数列:

[1, 5, 25, 31, 79, 155, 395, 775, 1975, 2449, 5689, 12245, 28445, 61225, 142225, 176359, 449431, 881795, 2247155, 4408975, 11235775, 13932361, 69661805, 348309025]

約数ペア:

[(1, 348309025), (5, 69661805), (25, 13932361), (31, 11235775), (79, 4408975), (155, 2247155), (395, 881795), (775, 449431), (1975, 176359), (2449, 142225), (5689, 61225), (12245, 28445)]