12547955

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21089}}^1$

素因数の和:21118

約数の個数: 16

約数和(自身を含む): 18221760

約数和(自身を除く): 5673805

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21089, 105445, 147623, 358513, 738115, 1792565, 2509591, 12547955]

約数ペア:

[(1, 12547955), (5, 2509591), (7, 1792565), (17, 738115), (35, 358513), (85, 147623), (119, 105445), (595, 21089)]