12216545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 16061760

約数和(自身を除く): 3845215

約数列:

[1, 5, 11, 55, 389, 571, 1945, 2855, 4279, 6281, 21395, 31405, 222119, 1110595, 2443309, 12216545]

約数ペア:

[(1, 12216545), (5, 2443309), (11, 1110595), (55, 222119), (389, 31405), (571, 21395), (1945, 6281), (2855, 4279)]