977981615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 1280664000

約数和(自身を除く): 302682385

約数列:

[1, 5, 13, 65, 149, 241, 419, 745, 1205, 1937, 2095, 3133, 5447, 9685, 15665, 27235, 35909, 62431, 100979, 179545, 312155, 466817, 504895, 811603, 1312727, 2334085, 4058015, 6563635, 15045871, 75229355, 195596323, 977981615]

約数ペア:

[(1, 977981615), (5, 195596323), (13, 75229355), (65, 15045871), (149, 6563635), (241, 4058015), (419, 2334085), (745, 1312727), (1205, 811603), (1937, 504895), (2095, 466817), (3133, 312155), (5447, 179545), (9685, 100979), (15665, 62431), (27235, 35909)]