138889619

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1\times {\mathrm{461}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 154677600

約数和(自身を除く): 15787981

約数列:

[1, 11, 61, 449, 461, 671, 4939, 5071, 27389, 28121, 206989, 301279, 309331, 2276879, 12626329, 138889619]

約数ペア:

[(1, 138889619), (11, 12626329), (61, 2276879), (449, 309331), (461, 301279), (671, 206989), (4939, 28121), (5071, 27389)]