28557130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{407959}}^1$

素因数の和:407973

約数の個数: 16

約数和(自身を含む): 58746240

約数和(自身を除く): 30189110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 407959, 815918, 2039795, 2855713, 4079590, 5711426, 14278565, 28557130]

約数ペア:

[(1, 28557130), (2, 14278565), (5, 5711426), (7, 4079590), (10, 2855713), (14, 2039795), (35, 815918), (70, 407959)]