25201729

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 30993408

約数和(自身を除く): 5791679

約数列:

[1, 7, 31, 47, 49, 217, 329, 353, 1457, 1519, 2303, 2471, 10199, 10943, 16591, 17297, 71393, 76601, 116137, 514321, 536207, 812959, 3600247, 25201729]

約数ペア:

[(1, 25201729), (7, 3600247), (31, 812959), (47, 536207), (49, 514321), (217, 116137), (329, 76601), (353, 71393), (1457, 17297), (1519, 16591), (2303, 10943), (2471, 10199)]