254397775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7577}}^1$

素因数の和:7683

約数の個数: 24

約数和(自身を含む): 338281920

約数和(自身を除く): 83884145

約数列:

[1, 5, 17, 25, 79, 85, 395, 425, 1343, 1975, 6715, 7577, 33575, 37885, 128809, 189425, 598583, 644045, 2992915, 3220225, 10175911, 14964575, 50879555, 254397775]

約数ペア:

[(1, 254397775), (5, 50879555), (17, 14964575), (25, 10175911), (79, 3220225), (85, 2992915), (395, 644045), (425, 598583), (1343, 189425), (1975, 128809), (6715, 37885), (7577, 33575)]