1296752821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1\times {\mathrm{8923}}^1$

素因数の和:10540

約数の個数: 16

約数和(自身を含む): 1597181824

約数和(自身を除く): 300429003

約数列:

[1, 7, 13, 91, 1597, 8923, 11179, 20761, 62461, 115999, 145327, 811993, 14250031, 99750217, 185250403, 1296752821]

約数ペア:

[(1, 1296752821), (7, 185250403), (13, 99750217), (91, 14250031), (1597, 811993), (8923, 145327), (11179, 115999), (20761, 62461)]