331990412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{42281}}^1$

素因数の和:42449

約数の個数: 24

約数和(自身を含む): 629832672

約数和(自身を除く): 297842260

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 3926, 7852, 42281, 84562, 169124, 549653, 1099306, 2198612, 6384431, 12768862, 25537724, 82997603, 165995206, 331990412]

約数ペア:

[(1, 331990412), (2, 165995206), (4, 82997603), (13, 25537724), (26, 12768862), (52, 6384431), (151, 2198612), (302, 1099306), (604, 549653), (1963, 169124), (3926, 84562), (7852, 42281)]