1290273697438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{3704213}}^1$

素因数の和:3704520

約数の個数: 32

約数和(自身を含む): 2150696282112

約数和(自身を除く): 860422584674

約数列:

[1, 2, 11, 22, 71, 142, 223, 446, 781, 1562, 2453, 4906, 15833, 31666, 174163, 348326, 3704213, 7408426, 40746343, 81492686, 262999123, 525998246, 826039499, 1652078998, 2892990353, 5785980706, 9086434489, 18172868978, 58648804429, 117297608858, 645136848719, 1290273697438]

約数ペア:

[(1, 1290273697438), (2, 645136848719), (11, 117297608858), (22, 58648804429), (71, 18172868978), (142, 9086434489), (223, 5785980706), (446, 2892990353), (781, 1652078998), (1562, 826039499), (2453, 525998246), (4906, 262999123), (15833, 81492686), (31666, 40746343), (174163, 7408426), (348326, 3704213)]