1988105

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 2792064

約数和(自身を除く): 803959

約数列:

[1, 5, 7, 35, 43, 215, 301, 1321, 1505, 6605, 9247, 46235, 56803, 284015, 397621, 1988105]

約数ペア:

[(1, 1988105), (5, 397621), (7, 284015), (35, 56803), (43, 46235), (215, 9247), (301, 6605), (1321, 1505)]