28501235

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{42859}}^1$

素因数の和:42890

約数の個数: 16

約数和(自身を含む): 41145600

約数和(自身を除く): 12644365

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 42859, 214295, 300013, 814321, 1500065, 4071605, 5700247, 28501235]

約数ペア:

[(1, 28501235), (5, 5700247), (7, 4071605), (19, 1500065), (35, 814321), (95, 300013), (133, 214295), (665, 42859)]