31931236

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 29709980

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 97, 103, 188, 194, 206, 388, 412, 799, 1598, 1649, 1751, 3196, 3298, 3502, 4559, 4841, 6596, 7004, 9118, 9682, 9991, 18236, 19364, 19982, 39964, 77503, 82297, 155006, 164594, 169847, 310012, 329188, 339694, 469577, 679388, 939154, 1878308, 7982809, 15965618, 31931236]

約数ペア:

[(1, 31931236), (2, 15965618), (4, 7982809), (17, 1878308), (34, 939154), (47, 679388), (68, 469577), (94, 339694), (97, 329188), (103, 310012), (188, 169847), (194, 164594), (206, 155006), (388, 82297), (412, 77503), (799, 39964), (1598, 19982), (1649, 19364), (1751, 18236), (3196, 9991), (3298, 9682), (3502, 9118), (4559, 7004), (4841, 6596)]