2105789

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 2580480

約数和(自身を除く): 474691

約数列:

[1, 7, 19, 71, 133, 223, 497, 1349, 1561, 4237, 9443, 15833, 29659, 110831, 300827, 2105789]

約数ペア:

[(1, 2105789), (7, 300827), (19, 110831), (71, 29659), (133, 15833), (223, 9443), (497, 4237), (1349, 1561)]