25404824

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{421}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 50386800

約数和(自身を除く): 24981976

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 397, 421, 794, 842, 1588, 1684, 3176, 3368, 7543, 7999, 15086, 15998, 30172, 31996, 60344, 63992, 167137, 334274, 668548, 1337096, 3175603, 6351206, 12702412, 25404824]

約数ペア:

[(1, 25404824), (2, 12702412), (4, 6351206), (8, 3175603), (19, 1337096), (38, 668548), (76, 334274), (152, 167137), (397, 63992), (421, 60344), (794, 31996), (842, 30172), (1588, 15998), (1684, 15086), (3176, 7999), (3368, 7543)]