78213424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257281}}^1$

素因数の和:257308

約数の個数: 20

約数和(自身を含む): 159514840

約数和(自身を除く): 81301416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 257281, 514562, 1029124, 2058248, 4116496, 4888339, 9776678, 19553356, 39106712, 78213424]

約数ペア:

[(1, 78213424), (2, 39106712), (4, 19553356), (8, 9776678), (16, 4888339), (19, 4116496), (38, 2058248), (76, 1029124), (152, 514562), (304, 257281)]