78218288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257297}}^1$

素因数の和:257324

約数の個数: 20

約数和(自身を含む): 159524760

約数和(自身を除く): 81306472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257297, 514594, 1029188, 2058376, 4116752, 4888643, 9777286, 19554572, 39109144, 78218288]

約数ペア:

[(1, 78218288), (2, 39109144), (4, 19554572), (8, 9777286), (16, 4888643), (19, 4116752), (38, 2058376), (76, 1029188), (152, 514594), (304, 257297)]