12381985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 19180800

約数和(自身を除く): 6798815

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 1015, 1109, 1595, 2233, 5545, 7763, 11165, 12199, 32161, 38815, 60995, 85393, 160805, 225127, 353771, 426965, 1125635, 1768855, 2476397, 12381985]

約数ペア:

[(1, 12381985), (5, 2476397), (7, 1768855), (11, 1125635), (29, 426965), (35, 353771), (55, 225127), (77, 160805), (145, 85393), (203, 60995), (319, 38815), (385, 32161), (1015, 12199), (1109, 11165), (1595, 7763), (2233, 5545)]