28039219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 3007181

約数列:

[1, 13, 59, 139, 263, 767, 1807, 3419, 8201, 15517, 36557, 106613, 201721, 475241, 2156863, 28039219]

約数ペア:

[(1, 28039219), (13, 2156863), (59, 475241), (139, 201721), (263, 106613), (767, 36557), (1807, 15517), (3419, 8201)]