28113890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{401627}}^1$

素因数の和:401641

約数の個数: 16

約数和(自身を含む): 57834432

約数和(自身を除く): 29720542

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 401627, 803254, 2008135, 2811389, 4016270, 5622778, 14056945, 28113890]

約数ペア:

[(1, 28113890), (2, 14056945), (5, 5622778), (7, 4016270), (10, 2811389), (14, 2008135), (35, 803254), (70, 401627)]