28721062

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{907}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 43932672

約数和(自身を除く): 15211610

約数列:

[1, 2, 71, 142, 223, 446, 907, 1814, 15833, 31666, 64397, 128794, 202261, 404522, 14360531, 28721062]

約数ペア:

[(1, 28721062), (2, 14360531), (71, 404522), (142, 202261), (223, 128794), (446, 64397), (907, 31666), (1814, 15833)]