138312628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{8161}}^1$

素因数の和:8407

約数の個数: 24

約数和(自身を含む): 255960320

約数和(自身を除く): 117647692

約数列:

[1, 2, 4, 19, 38, 76, 223, 446, 892, 4237, 8161, 8474, 16322, 16948, 32644, 155059, 310118, 620236, 1819903, 3639806, 7279612, 34578157, 69156314, 138312628]

約数ペア:

[(1, 138312628), (2, 69156314), (4, 34578157), (19, 7279612), (38, 3639806), (76, 1819903), (223, 620236), (446, 310118), (892, 155059), (4237, 32644), (8161, 16948), (8474, 16322)]