28171010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{402443}}^1$

素因数の和:402457

約数の個数: 16

約数和(自身を含む): 57951936

約数和(自身を除く): 29780926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 402443, 804886, 2012215, 2817101, 4024430, 5634202, 14085505, 28171010]

約数ペア:

[(1, 28171010), (2, 14085505), (5, 5634202), (7, 4024430), (10, 2817101), (14, 2012215), (35, 804886), (70, 402443)]