31871917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4987}}^1$

素因数の和:5088

約数の個数: 16

約数和(自身を含む): 40223232

約数和(自身を除く): 8351315

約数列:

[1, 7, 11, 77, 83, 581, 913, 4987, 6391, 34909, 54857, 383999, 413921, 2897447, 4553131, 31871917]

約数ペア:

[(1, 31871917), (7, 4553131), (11, 2897447), (77, 413921), (83, 383999), (581, 54857), (913, 34909), (4987, 6391)]